Mion Hazuki has a docile son, good at school and very obedient. He has a lot of friends, of course, his friends too, only one person is very hard, shy and not sociable. In, his friend was a new metamorphosis. As soon as he entered his house, he ran everywhere to find something that could help him satisfy his nature. Unfortunately, performing metamorphosis with your mother's underwear, she suddenly came in. Although she was much older, because she was a girl, her legs and legs were soft, so she could not resist the young man who was long and broad shoulders at the age of thriving body, so he was helpless in humiliation.