Stepmom incest, former RQ wife, forbidden photo session

Tatsuya needs money to pay for his friend's camera, so he asks his mother-in-law, who used to be a race queen, about holding a photo shoot. Riko wears a race queen costume for the first time in a long time for a photo shoot, but the turtles are no longer satisfied with just a cosplay photo and escalate their demands... On the other hand, Riko, who was initially embarrassed by being photographed in a lewd manner, gradually realizes the pleasure of being photographed and begins to get excited...