In his childhood, Keita had a faint affection for his childhood friend's mother, Chigusa. However, as he grew into a man, this affection gradually turned into an uncontrollable sexual urge. On this day, when he came to visit his childhood friend's house and ended up alone with Chigusa, Keita couldn't hold back any longer and confessed his feelings. Seeing the sincerity in Keita's eyes, Chigusa surprisingly said, 'Keep this a secret from my son.'
