Erina, a breastfeeding girl, is in love with Masaki, and Masaki can't live without Erina's breast milk. They both pass the entrance exams to college, and head straight to a love hotel in the middle of the day. After six months of abstinence, Masaki, who loves breast milk, goes crazy for Erina's breasts. The two perverts with strong sexual habits repeatedly seek each other and reach climax.