Mika's hobby is recording her romantic encounters with men. Her target this time is Ryohei, a young father with kids, carefully selected through a dating app. Though he normally works hard for his family, he surprisingly easily strays into infidelity, his mind dominated by his cock, forgetting his wife and social reputation as he becomes obsessed with her body, breathing heavily in pleasure. Fully aware of the risk of ruining his life, he continues filming numerous videos. His impulsive actions and the hidden desires lurking within him are vividly captured.