A gentle husband and one son ... Ayumi, a wife who was happy but bored with ordinary days, one day learns that her son is using a dating site. Ayumi, who is interested and posts lightheartedly, immediately receives an email from a virgin boy, Mikami, and can't control his heart that is excited by the exciting content. "I wonder if I'm the first partner I'm glad..." Ayumi, who was confused but beginning to feel excited about the thrill, received an email from another man.