Can be straight, gay or sapphic but it needs to be specifically ROMANCE not just lust. The story has to portray the two characters as in love, either one sided or reciprocated.
1. School Days
Some of the routes were just messed up.
2. Itou-San
https://www.mangago.me/read-manga/itou_san_kuraka_sui/
I can't... really explain it. reply