Takahashi, an office worker who loves butts, goes to look at a new apartment before moving. Sakura, a real estate agent, has a super beautiful butt, and Takahashi's butt switch is completely turned on at first sight. While looking at the house, he keeps staring at Sakura's butt, and eventually Sakura finds him masturbating while looking at her butt, and he says, "I can't stand it anymore!" and attacks her in an empty room...