OMG I kinda guessed Sensei used to date that black haired guy, even before it was revealed XD it kinda gave me that feeling, cuz he was so expressionless when Sensei was talking with the old friends, and besides Sensei never mentioned that his ex-partner was a girl, so yeah HEHE XD shounen ai mixed with shoujo FTW
OMG I kinda guessed Sensei used to date that black haired guy, even before it was revealed XD it kinda gave me that feeling, cuz he was so expressionless when Sensei was talking with the old friends, and besides Sensei never mentioned that his ex-partner was a girl, so yeah HEHE XD shounen ai mixed with shoujo FTW