Similar to チョコレート・ウォー

Kanokon

Kanojo ga Suki na Mono wa Homo de Atte Boku de wa Nai

If Her Flag Breaks

Kabukibu!

Kamisama Kazoku

Hensuki

Sword of the Demon Hunter: Kijin Gentōshō

Beyond the Boundary

Shattered Angels

GJ Club

I Made Friends with the Second Prettiest Girl in My Class

I Got Married to the Girl I Hate Most in Class

Classroom Crisis

You Were Experienced, I Was Not: Our Dating Story