Not all derivative works based on TRPGs require it. Derivative works meeting all of the following criteria require an application:
- Works registered on DLsite after the Guidelines have been put in place (Dec. 1, 2021).
- Derivative works based on products outlined in the Guidelines(*)
- Physical goods with a price x amount produced exceeding 200,000 yen, or subscriptions totaling over 200,000 yen. All non-physical products requiring payment to access.
* This includes products listed in the TRPG Rights Secretariat's guidelines (96 products as of Oct,21, 20201, with more to be added later.)
Please see the guidelines before for further details.
ARCLIGHT,INC. Guidelines Concerning the Creation of Derivative Works Based on Tabletop RPGs
http://www.arclight.co.jp/trpg-rights/