Satoru forgets his smartphone at his friend Hiroshi's house and rushes back to get it. There is a scene of the beautiful mother-in-law and Hiroshi violently devouring each other's bodies. Satoru is extremely envious of the vulgar and seductive appearance of his friend's beautiful and cute mother-in-law. In order to prepare for Hiroshi's absence, Satoru goes to his friend's house again and throws his thoughts at his friend's beautiful mother-in-law. The beautiful mother-in-law is bewildered but gradually reveals her lustful nature hidden in Satoru's slim body sucking cock.