During her student days, Nana had feelings for her teacher, Mr. Nakata. Nakata was actually interested in Nana, but she didn't get involved because the relationship was a forbidden relationship between a teacher and a student. A few years later, Nana followed in Nakata's footsteps and became her teacher. Reunited with her former teacher Nakata at her alma mater. We are already the same adults. It's not a forbidden relationship. The two of them, who should have no obstacles, are in the classroom, at a love hotel,