Love triangle between two high school students, Komasawa Midori, a mathematics genius who's going to study abroad, his best friend, Kanou Arie who's distancing himself, and Komasawa's cousin Hanabusa Gin, a teacher at their school. (from B-U)

Ryou Omoi no Kakuritsu Ron was published in English as Passionate Theory by Digital Manga Publishing on October 7, 2008.