Female student Yōna is being blackmailed by her homeroom teacher. If you don't want your secret exposed, let's do something fun with the teacher... That's a bit too much! The old man is disgusting! But something strange happens to Yōna's body! Her nipples feel good!! The skilled technique of the middle-aged pervert she hates so much awakens Yōna, who is pure and undeveloped, to sexual pleasure.
