ヒロインは、工藤れいかちゃん。マンションの隣人同士という関係で、れいかは人妻という設定。
服の隙間から、胸の膨らみが見えて興奮してしまう隣人の男。ケーキをご馳走してくれるというので、ついでに彼女の体もいただいてしまおうと襲い掛かる。
押しに弱いれいかは、次第に心も体も開いてしまう。
The heroine is Reika Kudo. She has a relationship with neighbors in the apartment, and Reika is a married woman. A neighbor’s man gets agitated when he sees his bulging breasts through the gaps in his clothes. He offers to treat her to a cake, so he attacks her to get her body as well. She was weak to push, but she gradually opened up her mind and body.