hitorino maintains an open stance toward community derivative works. As long as the creation does not involve generative artificial intelligence (including but not limited to AI-generated images, videos, voices, or automatically generated text), creators do not need to request prior authorization to produce derivative content based on any publicly released videos of our virtual idols or game characters, as well as the video game The Meridian Under the Heaven: Valhalla.

Permitted derivative works include, but are not limited to, gameplay recordings, live streams, commentary videos, parodies, and other content related to our virtual idols. You may retain all revenue generated from such works (e.g., Bilibili Creator Incentives, YouTube ad revenue).

II. Basic Requirements for Derivative Works

Compliance with Platform Rules and Legal Regulations
- All derivative works must strictly adhere to the guidelines and user agreements of the publishing platforms.
- Content must not violate the relevant platform's terms or the laws and regulations of the country or region in question. Personal attacks, infringement of others’ rights or interests, or harm to others' reputation are strictly prohibited in any form.
Avoidance of Sensitive Topics
- During the creative process, creators must refrain from engaging with sensitive topics such as politics, religion, or ideological issues, thus ensuring content remains neutral and safe.
Respect for Originality and Avoidance of Plagiarism
- Derivative creations must involve reasonable adaptation or reinterpretation, explicitly avoiding direct plagiarism or excessive reliance on original elements.
- Creators should respect the original creator’s work and, where appropriate, clearly indicate original authorship within their content.
Intellectual Property and Trademark Restrictions
- Creators are strictly prohibited from registering trademarks, copyrights, patents, or other intellectual property rights involving graphics, text, music, or other materials belonging to the hitorino community and its affiliated members in any country or region.
Clear Attribution
- When publishing derivative works, clearly indicate the involved virtual idol characters and their affiliation with the hitorino community in the titles, descriptions, or relevant informational sections, allowing audiences to easily recognize and categorize content.
- If you use generative artificial intelligence technologies in your work, you are required to disclose that generative AI was used at the time of publication.

III. Terms for Open Merchandise Use and Trade

Scope of CC BY-NC License
- Most open-access merchandise from hitorino (such as 3D printable models, select cushion images, wallpapers, etc.) follows the Creative Commons Attribution-NonCommercial (CC BY-NC) licensing. Under compliance with these terms, users are free to distribute, excerpt, remix, or otherwise create derivative content, provided they credit the original author (hitorino interactive) and refrain from commercial uses.
Physical Merchandise Sales Regulations
- Considering some fans might lack access or conditions required for 3D printing equipment, we permit and actively encourage fans within the hitorino community to reasonably trade official physical merchandise among themselves.
- When conducting sales, fans should carefully consider transportation, material, and labor costs to ensure fair and transparent pricing and transactions.

Through these terms, we aim to provide creators and fans with an open, respectful, lawful, compliant, and safe environment for derivative creativity and community interactions.

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