His father remarried Mako, a former subordinate of a company that was a year away, and suddenly came to this house as a mother-in-law of Yusaku. Yusaku's son could never accept such a young Mako as a mother-in-law. One day, Yusaku tells a friend who came to play that Mako came to this house for the purpose of property, and she commits Mako with momentum. Then, conscious of Mako, a masterpiece that even looks into the bedroom with his father. However, Mako, who noticed that line of sight, felt while staring at the masterpiece ...