Ataru, a son who can't hide his excitement for his father's remarried partner every day. His mother-in-law is H-cup young and cute Chisa. Her body was so disgusting that it was hard to find a place to focus her eyes. Her father's work was busy and there were many days when she could not go home, and her frustration Chisa was always comforting herself in the bath. However, Ataru, who knew that, could not stand just looking at her, and one night, he sneaked up to Chisa, who was sleeping.
