Derivative Work
Commercial Use Hub

You can use the artwork of your owned NFT (NFT Shikibu-chan) for personal-level commercial purposes via derivative works. Specifically, you may create, publish, and sell fan art; create and sell LINE stickers; create and sell merchandise; plan and operate VTubers; create and sell 3D avatars; and use the artwork as material on websites, social media, etc. This is limited to individuals and SMEs with annual revenue under JPY 200 million. Apps, games, anime, manga, and food trucks are only available under Route 2 (50+ pieces held).

A "Genre Slot" is the unit of allowance for a Shikibu World holder with 50+ pieces to commercially use Standard Shikibu-chan. One slot is required per genre (LINE stickers, merchandise, anime/manga, etc.), and 50 pieces grants 1 slot. As you hold more pieces, you receive more slots (50=1 / 65=2 / 80=3 / 90=4 / 100=5 / +1 slot per additional 10 pieces, up to a maximum of 10 slots). It was originally called "License", but because "License" strongly suggests an officially granted right, we renamed it to "Genre Slot" to align with the (unofficial) derivative-work project positioning. The scope of rights, conditions, and operational rules are completely unchanged.

With 50+ pieces and a separately concluded contract, in addition to what is permitted under Route 1, you become eligible to: (1) use Standard Shikibu-chan (the general-purpose character design); (2) create and sell apps and games; (3) create and sell anime and manga; (4) develop merchandise commercially in earnest (up to 3 products per genre slot during the same period); (5) use illustration stock (up to 20 pieces per genre slot); and (6) launch a project channel on the Character DAO. Additionally, more pieces held means more genre slots (50=1 / 65=2 / 80=3 / 90=4 / 100=5 / +1 slot per additional 10 pieces, capped at 10 slots / no further increase beyond 150 pieces). One slot is required per genre. Note that new Shikibu-chan food truck operations are prohibited under the 2026 Revision Supplement (existing 3 locations continue under grandfather rights only).

Once you transfer your NFT, you lose the right to use Shikibu-chan. As a rule, fan art, LINE stickers, merchandise, etc. created while holding the NFT can no longer be sold or published after the resale. However, the treatment of existing creations can be discussed individually.

Yes — commercial use is permitted as long as you follow these guidelines. This is the defining feature of Shikibu World / CBA NFTs: holding the NFT is itself the grant of permission for commercial use. Compliance with display obligations (fanfic logo + certificate of authentication + clear "(unofficial)" labeling) and registration in the Official Directory are required.

Yes, it is mandatory. Under §13, in order to prevent visitors and purchasers from mistaking your activity for "Shikibu World official", you are required to display standard wording such as "Shikibu World Derivative Work Project (unofficial)" alongside the fanfic logo. Violations may result in a request to change the display method.

✅ Permitted: Auxiliary AI (auto-coloring, translation, proofreading, etc.) used in support of original works created by the NFT holder where human creative contribution is at the core. ❌ Prohibited: Mass generation via machine learning models such as LoRA, generation by AI voice synthesis alone, operation as an AI VTuber, and mass machine-generated output where human creative contribution is small.

Holders engaging in commercial use must register. It takes about 2 minutes via a Google Form: enter the 8-item checklist, your name, and contact details. A Google login is required, and your verified email address is automatically recorded for identity verification. Records are managed by the operator and used as the basis for response when display-obligation violations or similar issues arise.

Yes, for ongoing commercial use. Continuous commercial use without registration may be treated as unauthorized use. Registration is free and takes about 1 minute via Google Form.

From the "Official Asset Downloads" section on the Guideline page, you can download four asset sets: (1) the fanfic logo, (2) the 1-piece certificate of authentication, (3) the 50-piece certificate of authentication, and (4) food truck assets.

No. Under §12 of the 2026 Revision Supplement, the new issuance, listing, and sale of NFTs containing Shikibu-chan representations is fully prohibited. However, secondary trading of the original NFTs themselves (on OpenSea, etc.) remains permitted.

Unfortunately, under the 2026 Revision Supplement new food truck operations are prohibited. Existing 3 locations (Tokyo, Aichi, Osaka) are allowed to continue under grandfather rights, but new holders may not launch food trucks. The reasons are: (1) the food and beverage industry has separately heavy compliance obligations (Food Sanitation Act, public health permits, etc.) on top of license management; (2) the brand-damage risk to the character in the event of food poisoning or similar incidents is significant; (3) it is not realistically feasible for the operator to continuously audit hygiene management for individual holders; and (4) food trucks effectively resemble "character-centric businesses" (which are outside the scope of these guidelines). However, "supplementary or decorative use" — where existing restaurants incorporate Shikibu-chan into part of their menu — remains available under Route 1 / Route 2 (e.g., a ramen shop offering a derivative-work Shikibu-chan ramen as part of its menu). If you are considering a new food truck, please contact the BUSON STUDIO inquiry form to discuss individually.

Individual holder activities: you can self-deploy in accordance with this Guideline (Route 1 / Route 2). Special cases outside the framework of this Guideline (large-scale deployment, character-centric businesses, etc.) should be discussed directly via the BUSON STUDIO inquiry form.

It is a Discord community operated by BUSON. It hosts interaction among Shikibu World / CBA holders, project consultations, and the latest announcements from the operator. Holders of 50+ pieces can launch dedicated project channels.

Under §5 (Prohibitions) or §7, possible responses include: (1) individual contact to request changes to the display method; (2) suspension of use or injunction requests; (3) application of the revised Guideline; and (4) in cases involving anti-social forces or similar, contract termination, damages claims, etc.