Kawamura can't help but worry about his friend's mother, Mayu. The other party is married. Moreover, he is a friend's mother. It was a love that ended before it started. Even if it doesn't come true, I want to make some memories. Kawamura decides to take a peek at Mayu, but secretly escapes from his friend's room ... where he discovers Mayu's nasty secret. The devil is more bewitching than I imagined ...