Hokenshitsu Made Nan M?

In high school, they had an indecent relationship. Now eight years later, at the school where Takebayashi is a teacher, that same Ono has come to be the school nurse. Smelling like an old man – with his sweet pick-up lines – totally aloof and bantering Ono. Takebayashi sighs. He gets angry, fights, and is later surprised… to find himself in Ono's arms?