Kawamura can't stop thinking about his friend's mother, Mayu. She is married and also his friend's mother. It was a love that ended before it even began. Even if it couldn't be realized, he wanted to create some memories. Kawamura decided to spy on Mayu and sneaked out of his friend's room... only to discover Mayu's lewd secret. Her seductiveness exceeded his imagination, and he momentarily lost control.
