Mary Jane Studios has announced an adaptation of Zange's light novel "Anehame: Ore no Hatsukoi ga Jisshi na Wake ga Nai. This novella was released in late 2020 and is about a guy who falls in love with his sister. His obsession with her is so great that he even dreams of starting a family with her and having children. When she discovers his vicious thoughts, she ends up accepting his feelings.