Although she is very beautiful and gentle, because she is a special student with academic achievement that is always at the bottom of her class, Chisa Hoshino is often looked down upon by her friends.

Wanting to improve her grades, Chisa Hoshino turned to her homeroom teacher for help, she agreed immediately and would spend some time after school tutoring her.

But nothing is free, the tutor label is only superficial, this lewd teacher has seen Chisa's chubby body before, that's why he took this rare opportunity to be able to seduce and solicit her to have sex with him.