[HBAD-586] Stop studying, take off your pants and fuck me

A school sex movie about Hikari Semei, a young tutor with a perfect body. Her big breasts make it impossible for Hiroshi to concentrate on his studies. Knowing that her student is crazy about her breasts, Hikari immediately helps him satisfy his sexual desires so that Hiroshi can focus on his studies. But the teacher and student cannot have sex, so Hikari helps him by blowing his trumpet. Hiroshi’s father accidentally discovers everything. He intends to have a serious talk with her, but Hikari seduces him instead. Because his wife has been dead for a long time, he cannot resist being seduced by such a beautiful young girl. Not only stopping at the father, Hikari even seduces Hiroshi’s brother, and finally takes Hiroshi’s virginity. Since Hikari has sex with the whole family, Hiroshi’s grades have improved, his brother works harder, and his father finally gets to enjoy the feeling of happiness that he hasn’t had in a long time…