These Terms of Service (the "Terms") govern the use of the foreign language learning application "26s" and related services provided by Apeiro Corporation (the "Company"). These Terms set forth the rights and obligations of the Company and users ("Members" and "Non-Members") of "26s" and other necessary matters.

The definitions of terms used in these Terms are as follows:

1. "Service" refers to the application service "26s" that helps "Members" learn foreign languages using "Content". It may be written as "26s" depending on the context.
2. "Service Agreement" refers to the agreement entered into between a "Member" and the "Company" for membership registration in the "Service".
3. "Member" refers to a person who enters into a "Service Agreement" with the "Company" in accordance with these Terms and uses the "Service".
4. "Non-Member" refers to a person who uses the "Service" before entering into a "Service Agreement" with the "Company".
5. "Applicant" refers to a person who wishes to enter into a "Service Agreement" with the "Company" to become a "Member" of the "Service".
6. "Content" refers to all content (including but not limited to text, audio, video, and network services) provided by the "Company" to "Members" for the "Service".
7. "Public Content" refers to text, audio, video, and images included in the "Content" provided by the "Company" that are publicly available online for free or with advertisements.
8. "Member Content" refers to all content (including but not limited to text, images, or video files) uploaded by a "Member" while using the "Service" or entered through interactive features of the "Service".
9. "Paid Service" refers to services provided by the "Company" to "Members" that require payment.
10. "In-App Purchase" refers to all payment activities for purchasing "Paid Services" within the app.
11. "Application Store" refers to Google Play Store, Apple App Store, etc., with which the "Company" has entered into agreements.

1. The "Company" posts these Terms and Privacy Policy within the "Service" so that "Members" can easily review them.
2. The "Company" may amend these Terms as necessary, provided that such amendments do not violate applicable laws and regulations.
3. When the "Company" amends these Terms, it will notify "Members" by posting the effective date and amendments in the notice board within the "Service" at least 7 days before the effective date. However, if the changes are unfavorable to "Members", the same notice will be posted at least 30 days before the effective date.
4. If the "Company" notifies "Members" of amended Terms and states that failure to express an intention to refuse within the notice period will be deemed as consent, and the "Member" does not explicitly express an intention to refuse, the "Member" will be deemed to have agreed to the amended Terms.
5. If a "Member" does not agree to the application of the amended Terms, the "Member" may terminate the Service Agreement. However, if the "Member" is using "Paid Services", there may be restrictions on termination of the Service Agreement.

1. The "Company" may have separate terms of service or policies (hereinafter "Separate Terms, etc.") for "Paid Services" and related additional services.
2. Matters not specified in these Terms or matters of interpretation shall be governed by "Separate Terms, etc." and applicable laws or commercial practices.

1. An "Applicant" must agree to these Terms and apply for membership in accordance with the procedures prescribed by the "Company", and the "Service Agreement" is executed when the "Company" approves such application.
2. However, if an "Applicant" has a history of termination or restriction of use of the "Service Agreement" due to reasons under Article 15, Paragraph 1, or if there are other reasons that make approval impossible, the "Company" may not approve the membership application or may terminate the "Service Agreement" afterwards.
3. The "Company" may request identity verification and authentication through an identity verification agency from an "Applicant" if necessary.
4. An "Applicant" must not provide false information that is not the "Member's" own information or use another person's information when applying for membership, and any disadvantages and legal liability arising from non-compliance shall be borne by the "Applicant". The information provided by the "Applicant" will not be disclosed to other members except the "Member" themselves.
5. The "Company" may reserve approval of the Service Agreement if there is insufficient capacity in the "Service" related facilities or for other technical or business reasons.

1. The "Company" makes its best efforts to provide the "Service" continuously and stably.
2. The "Company" establishes security systems and discloses and complies with the "Privacy Policy" to protect "Members'" personal information, including credit information.
3. If the "Company" recognizes that opinions or complaints raised by "Members" are legitimate, it must process them. If notification is deemed necessary, the "Company" may notify the "Member". However, the "Company" has no obligation to process or notify if the opinions or complaints raised by "Members" are matters already disclosed in the Terms of Service, Privacy Policy, Separate Terms, FAQ, etc., that can be checked at any time, or if the identity of the "Member" cannot be confirmed.

1. A "Member" acquires the right to use the "Service" by entering into a "Service Agreement".
2. A "Member" does not acquire any rights to the "Content" provided by the "Company" through the "Service".
3. A "Member" must immediately reflect any changes in the "Member's" information within the "Service" and keep it up to date at all times. The "Company" is not responsible for any disadvantages to the "Member" arising from failure to do so.
4. The responsibility for managing accounts registered in the "Service" lies with the "Member" themselves, and the "Company" is not responsible for disadvantages and legal liability arising from the following cases:
   1. Disclosing or allowing third parties to use account information
   2. Failing to immediately notify the "Company" or failing to follow the "Company's" instructions even after recognizing that the account has been stolen or is being used by a third party (hereinafter "Unauthorized Use")
5. A "Member" must not use "Content" for purposes other than receiving the "Service" without the "Company's" consent, and in particular, if a "Member" engages in the following acts, they may be held liable for all civil and criminal liability:
   1. Creating "Content" into separate image files, video files, etc. without authorization
   2. Posting "Content" on the internet without authorization
   3. Providing "Content" to third parties without authorization
   4. Commercial acts that harm the interests of the "Company" providing "Content" or third parties
   5. All other copyright infringement acts regarding "Content"

   However, the scope of use of "Public Content" follows the scope permitted by the copyright holder of "Public Content".

6. A "Member" must not access the "Service" server and network (hereinafter "System") in unauthorized ways (such as accessing the "System" using automated programs or accessing the "System" to arbitrarily collect "Content") or engage in acts that interfere with the "Company's" provision of the "Service".
7. In addition, a "Member" must not engage in the following acts:
   1. Purchasing or attempting to purchase and use the "Service" through unofficial methods other than the payment methods provided by the "Company"
   2. Providing false information to the "Company" or collecting, using, providing, appropriating, or infringing on others' information
   3. Infringing on intellectual property rights such as copyrights of the "Company" and other third parties
   4. Damaging the reputation of the "Company", other members, or other third parties
   5. Interfering with the business of the "Company" and other third parties
   6. Decomposing, modifying, or imitating the "Service" through any processing
   7. Collecting personal information of other members
   8. Using the "Service" and "Content" commercially without the "Company's" consent
   9. Exposing obscene or violent information, etc., in the "Service"
   10. Impersonating the "Company" and "Service" or spreading false information
   11. Other illegal or wrongful acts prohibited by applicable laws
8. A "Member" must comply with these Terms, applicable laws and regulations, and other terms of use when using the "Service". If a "Member" fails to comply and any problems arise (including all civil and criminal claims and legal violations from government agencies, rights holders, etc.), the "Member" must indemnify the "Company" at their own expense and effort and compensate the "Company" for all damages incurred.

1. "Non-Members" have the same obligations as "Members" under Article 8, and this article contains additional obligations that "Non-Members" must comply with.
2. The "Company" basically recommends that "Non-Members" use the "Service" as "Members" after entering into a "Service Agreement". However, for the convenience of "Non-Members", the "Company" may provide some services before entering into a "Service Agreement".
3. The "Company" may request "Non-Members" using "Paid Services" to register as members immediately upon purchase or within a certain grace period, and until this is fulfilled, "Non-Members" cannot demand rights as "Members", and the "Company" is not responsible for disadvantages and legal liability that occur while "Non-Members" use the "Service".
4. If a "Non-Member" fails to fulfill the content of Article 9, Paragraph 2, and causes damage to the "Company" or others, the "Non-Member" may be liable for such damage.

"The "Company" provides the following "Service" content to "Members":

1. Features to learn foreign languages using "Content" and "Public Content", etc.
2. Other additional features to help or encourage foreign language learning

However, depending on the "Member's" system specifications (operating system type and version, etc.), some or all of the "Service" may be restricted. Therefore, the "Company" notifies the minimum system specifications required to use the "Service" in the "Application Store", etc.

1. The "Company" may change some or all of the "Service" provided for operational or technical reasons, and unless otherwise specified in these Terms, the "Company" does not provide separate compensation to "Members".
2. If predictable "Service" changes occur, the "Company" posts the reason for change, date, and content of change in the "Service" 7 days before the change. However, if it is difficult to specifically notify the reason or content of the change, notification may be made afterwards.
3. If the minimum system specifications required to use the "Service" change, the "Company" must notify "Members" through the "Service" 30 days before the change.

1. When the "Company" notifies individual "Members", unless otherwise specified in these Terms, it may notify them at the email address entered by the "Member" at the time of membership registration.
2. The "Company" may substitute the notice under Article 12, Paragraph 1 by posting it in the notice board within the "Service" for notices to all "Members" or changes that adversely affect the rights and obligations of "Members".
3. The "Company" is not responsible for disadvantages to "Members" or "Non-Members" arising from the following cases:
   1. When a "Member" fails to keep their information, such as email address, up to date so that they can receive notices from the "Company"
   2. When a "Non-Member" uses the service without entering into a "Service Agreement" and there is no means to notify them

1. The "Company" may temporarily suspend the provision of the "Service" due to maintenance, replacement, or failure of "Service" related facilities, communication interruption, or other technical or business reasons, natural disasters, etc. However, if the provision of the "Service" is suspended for a long period, the "Company" will notify "Members" in advance in principle, but may notify afterwards if there are unavoidable reasons.

1. A "Member" may terminate the "Service Agreement" directly within the "Service" at any time. However, if the "Member" is using "Paid Services", there may be restrictions on termination of the "Service Agreement".
2. Upon termination of the "Service Agreement", "Service" related information, including learning history recorded in the "Member's" account, will be deleted. Therefore, the "Member" must take appropriate measures regarding the above information before termination, and the "Company" is not responsible for damages to the "Member" arising from the "Member's" failure to take such measures.

1. The "Company" may terminate the Service Agreement with a "Member" or restrict the "Member's" use of the "Service" without prior notice in the following cases:
   1. When a "Member" uses or attempts to use the "Service" without properly paying the purchase price for "Paid Services", etc.
   2. When a "Member" dies
   3. When a "Member" uses the "Service" by appropriating another person's personal information or mobile device
   4. When a "Member" threatens or interferes with the provision of the "Service" by illegally modifying the "Company's" client program or hacking servers, etc.
   5. When a "Member" interferes with other "Members'" use of the "Service"
   6. When a "Member" damages the "Company's" reputation or credit or interferes with business by spreading false facts or other methods
   7. When a "Member" impersonates the "Company's" operators, employees, etc.
   8. When a "Member" engages in spam activities regarding the "Service"
   9. When a "Member" violates obligations under these Terms or applicable laws and fails to correct such violations within a reasonable period after the "Company" demands correction

The "Company" may display advertisements of the "Company" or third parties partnered with the "Company" within the "Service", on the website, via email, SNS, etc. "Members" who receive emails containing advertisements may refuse to receive them from the "Company".

1. "Member Content" must not include the following:
   1. Content that defames or slanders others (including the "Company" and performers of "Content") without grounds
   2. Content that violates public morals, such as profanity, obscene/lewd content, violent content, etc.
   3. Content that infringes on the intellectual property rights, including copyrights, and other rights of others (including the "Company" and performers of "Content"), including rights as personal information subjects
   4. Content containing a "Member's" personal information (except when the "Member" consents to the "Company's" collection and use of such personal information)
   5. Content that continuously causes fear or anxiety without grounds
   6. Content that violates good customs and other social order
2. If a "Member" violates Article 17, Paragraph 1, or receives a certain number of reports, the "Member" may receive the following measures, and the "Company" is not responsible for disadvantages arising therefrom:
   1. The "Company" may temporarily delete "Member Content" automatically or manually. However, the "Member" who created the content may explain that their content does not violate Article 17, Paragraph 1, and the "Company" may lift the temporary deletion if the "Member's" explanation is reasonable.
   2. The "Company" may restrict a "Member's" use of the "Service" regardless of whether the "Member" has purchased "Paid Services".
3. The "Company" may use "Member Content" for the promotion and improvement of the "Service", and may edit, modify, reproduce, etc., "Member Content" within the scope of such purposes.

1. Rights such as intellectual property rights regarding trademarks, logos, "Service", advertisements, etc., created and provided by the "Company" belong to the "Company".
2. A "Member" must not reproduce, transmit, publish, distribute, broadcast, or otherwise use information obtained through the "Service" for commercial purposes or allow third parties to use it without the "Company's" prior consent.

1. The "Company" is exempt from liability regarding the provision of the "Service" if it cannot provide the "Service" due to natural disasters or similar force majeure.
2. For "Content" and "Public Content", use may be restricted in some countries depending on copyright holders' usage restrictions or "Members'" usage environments.
3. The "Company" makes no warranty regarding the legality, accuracy, truthfulness, or reliability of "Content", "Public Content", and "Member Content".
4. The "Company" makes no warranty regarding third-party products or services purchased or acquired through advertisements, other information, or suggestions within the "Service".

1. The "Company" may terminate the "Service" for business reasons and will notify "Members" using the method specified in Article 3, Paragraph 3 at least 3 months before the date on which it intends to terminate the "Service".
2. Some parts of the "Service" may be restricted from the date of termination notice until the termination date.

The purchase price for "Paid Services" is paid in principle using the methods and means prescribed by the "Company". However, payment method restrictions and payment amount limits may be imposed for each payment method depending on the "Company's" policies, payment provider policies ("Application Store", mobile carriers, open market stores, etc.), and government policies.

1. The regulations for withdrawal of offer and refund of purchase price for "Paid Services" purchased through Google Play Store "In-App Purchase" and other payment methods are as follows:
   1. The criteria for withdrawal of offer are as follows:
      1. Withdrawal of offer is possible within 7 days from the date of purchase for "Paid Services" that have not been used.
      2. Withdrawal of offer is possible if required by applicable laws.
      3. However, services that fall under the withdrawal restrictions specified in applicable laws may have withdrawal restrictions.
   2. If a "Member's" "In-App Purchase" is billed as information usage fees by a mobile carrier and the "Member's" refund request is made after the mobile carrier bills the "Member" for information usage fees, a refund may not be possible depending on the mobile carrier's or "Application Store's" policies.
   3. Refunds are not possible after 7 days from the date of purchase.
2. The regulations for withdrawal of offer and refund of purchase price for "Paid Services" purchased through Apple App Store "In-App Purchase" are as follows:
   1. For Apple App Store, the "Company" cannot confirm the "Member's" payment status and information, and the "Company" does not have the authority to process refunds.
   2. Therefore, "Members" must apply for refunds directly to Apple App Store, and refunds are processed directly by Apple App Store.
   3. To support Apple App Store's processing of "Member" refund requests, the "Company" shares data regarding the use of "Paid Services" purchased by "Members" with Apple App Store.
3. If an overcharge occurs due to the "Company's" intentional or negligent act, the overcharge will be refunded to the "Member". However, if an overcharge occurs due to the "Member's" intentional or negligent act, the "Member" bears the costs required for the "Company" to refund the overcharge within a reasonable range.
4. Refunds are made primarily using the payment method used by the "Member" when purchasing "Paid Services", and if it is difficult to verify the identity of the device owner due to reasons such as being a minor, refunds will be made to the legal representative's account or the account to which fees are automatically transferred.
5. If a "Member" requests a refund, the "Company" may request the submission of documents specified in the following items for identity verification after confirming the purchase history, and the "Member" must submit the requested documents to the "Company" through email or other means. If identity verification is difficult due to reasons such as being a minor, a legal representative may request a refund, and in such cases, documents proving that they are a legal representative must be submitted together.
   1. Refund request form or refund-related consultation records (email refund requests, etc.)
   2. One copy of a document that can verify the identity of the refund requester (device owner)
   3. One copy of the refund requester's bank account
   4. One copy of the payment receipt

1. Legal disputes between the "Company" and "Members" shall be governed by the laws of the State of California, United States.
2. Any disputes between the "Company" and "Members" shall be subject to the exclusive jurisdiction of the courts of the State of California, United States.