Passionate Theory (両想いの確率論, Ryōomoi no Kakuritsuron) is a manga by Ayumi Kano.
It was licensed in English by Digital Manga Publishing and published on 23 September 2008.
[2] In Taiwan, it is published by Sharp Point Press.
[3] Rachel Bentham felt the love triangle was "unusual", and enjoyed the "evocative" art.
[4] Leroy Dessaroux felt the art gave the piece a Film Noir feel, although the dialogue made it feel like a "talky teen soap opera".