[Reducing Mosaic]JUL-491 After the graduation ceremony... A gift from your stepmother to you, who has grown up. The exclusive mature woman of Madonna celebrates your departure with her alluring charm. Rinrin Kinoshita.

Tomoyuki, who left his parents' house and spent his school life alone in a dormitory. Three years passed by in the blink of an eye, and he finally reached his graduation ceremony. While walking down his last school route with his friends, a woman suddenly appears. A beautiful smile full of kindness... It was her mother-in-law, Ririko, who had secretly come to celebrate Tomoyuki's departure. Then, Tomoyuki takes Ririko, who drank too much, to his accommodation, saying, "Today is a celebration."