Tatsuya, who needs money to pay for his friend's camera, asks his mother-in-law, who used to be a race queen, to hold a photo session. Riko wears a race queen costume for the first time in a long time and faces the shoot, but Kameko and the others are no longer satisfied with just a cosplay photo, and they escalate their demands more and more... On the other hand, Riko, who was embarrassed at first by being photographed lewd, gradually awakens to the joy of being photographed and begins to get excited.
