It sounds like you're interested in a specific feature related to characters from the Mugen fighting game engine, possibly with a focus on or reference to "hentai" characters. For clarity and to ensure I provide useful information:
Currently one of the biggest names in the industry. It follows Yuji Itadori, a high schooler who becomes the host of a powerful curse. It’s praised for its dark tone, high-stakes combat, and MAPPA’s incredible animation. Mugen Hentai Chars