SDNM-479: The final chapter of 26-year-old Rimako Mashiro, a mother who enjoys going to the food court on weekends as a break from her struggles with child-rearing. She spends one night at a private hot spring spa, forgetting her daily life and indulging in carnal desires. The young wife, immersed in the pleasure of creampie until midnight, can no longer return to sex with her husband... Rimako Mashiro.