Although she is very beautiful and gentle, because she is an exceptional student whose academic achievements are always at the bottom of the class, Chisa Hoshino is often looked down upon by her friends. With the desire to improve her grades , Chisa Hoshino went to the homeroom teacher to ask for help. He did not hesitate but immediately agreed and would spend some of his time after school to tutor her. But nothing is free, the title of tutor is just a facade, this lustful teacher has seen Chisa's plump body before, that's why he took this rare opportunity to Seducing and soliciting her to have sex with me.