otona pink(2007)

otona pink

Mikuni is the daughter of a single-mother who attends high school. She falls for with Chiho, and just when they are about to have their first kiss they are interrupted - by their teacher! He tells her that her and Chiho will only last three months.

When Mikuni's mother goes away on business she has Mikuni stay with none other than - the same harassing teacher.