Tsukasa Fushimi (born 1981) is a Japanese author of light novels. He made his debut in 2006 with the novel series Jūsanbanme no Alice. This was followed in 2008 by his well-known novel series Oreimo, which spawned a media franchise encompassing multiple manga, anime, and video game adaptations. In 2013, Fushimi began writing his novel series Ero Manga Sensei. The author lives in Tokyo, Japan.