A female doctor's friend, Rei, came to stay at Nobuko's house in Tokyo for a lecture. Her son, Kenji, was thrilled by the visit of the person he had admired since childhood. That night, as the mothers toasted to their long-awaited reunion, Kenji was lost in thought in his room when Rei mistakenly entered... Rei tried to interact with her friend's son with the same familiarity they had as children, but Kenji couldn't control himself seeing her drunken and unguarded. He seized the opportunity while his mother was away and they ended up having a relationship.
