Kazuya, a salaryman on a long-term business trip to Tokyo. A genre information magazine that I accidentally picked up at a business hotel that I returned to after work. The story begins when she contacts a brothel ... Akane (Shun), who received the delivery request, is a man's daughter. Her small breasts, and her crotch bulge. Akane's secret that is gradually revealed. Kazuya is at the mercy of her gentle lead Akane's play. On the other hand, I saw Kazuya and Akane disappearing into the hotel room. Another main character, Aoi (Sora), who belongs to the same brothel as Akane. At the invitation of Akane, who is skillful in words, the play between male daughters begins in the art room. Contrary to the naive reaction, Aoi's first experience accepts the stimulus. One day, a ringtone that echoes on Kazuya's smartphone. Akane and Aoi, beyond what the two boys' daughters were waiting for ...