Mr. and Mrs. Mizuki have moved to a condominium in the city center. Sakuraka is in this new city, and she dreamed of living with her new life. However, the room next to Mr. and Mrs. Mizuki is a spear room where the Kuzu university students who repeat the act of making mistakes live. One day, Sakuraka visits the room next to her to deliver her circulation board. Playing serious college students, they look at the beauty of her cherry blossoms. And she was skillfully invited into her room from that day, and the days of becoming sex toys for college students began ...