Hello, i don't know if is possible, but i will leave the request here for a R18 Patch of these two OTOME GAMES that recently come in english (if you need the PC r18 original version to test things out and can't find it, just ask me)
Butterfly Poison - Only on Switch in english
The Crimson Flower - Switch and Steam in english
Butterfly Poison - Only on Switch in english
The Crimson Flower - Switch and Steam in english