The sex with his girlfriend is too monotonous. Starting with finding an NTR comic from boyfriend's bookshelf, which a girl recorded the NTR play video with a playboy. Through the sex technique and big penis of that playboy, she is on the one hand feeling guilty and on the other hand cannot resist the pleasure. "What's this... It's very different from my boyfriend's one..." His beloved girlfriend is being fucked behind the screen. While torturing by the frustration and lewdness, he is expericing a complicating feeling.