The beautiful girl who sought a sugar daddy should have been punished, but unknowingly, I trained her into my personal masturbation kit. (Tojo Natsu DASS-584)

Kimura and Tetsuya have been close friends since their school days, and Tetsuya's fiancée, Natsu, seems like someone he can entrust his life to. Kimura hopes his friends and family will have a happy marriage, but he witnesses Natsu trying to find a sugar daddy. He pulls out the frivolous photos and confronts Natsu when Tetsuya isn't home. Although he tells her he wants her to break up with Tetsuya for the sake of his friends, Natsu refuses, wanting to get into a wealthy family. Finally, she pleads, "I'll do anything as long as you don't tell him. Please use my body as you please until he gets back..."