One day, Shihori went to wake up her son, who overslept in the morning. When I opened the door, my son was sleeping with his out. Shihori hangs up the towel and leaves the room. When I noticed it, Hori's crotch was wet. That night, Shihori begs her husband to do her night activities for the first time in a long time, but she refuses because she is tired. The next day, Shihori tries to exercise to relieve her frustration, but it doesn't work, so she asks her son to help her. Shihori exercises with a balance ball and wiggles her hips while her son supports her. When the son saw it, he was excited and approached his mother ...