Yuka has a son who is about to advance in the spring. She had been overly protective of her son out of love, but one day she received news that her son had taken upskirt photos… Just as her son's advancement was decided through recommendation, he got into trouble. "For my child's advancement..." 』To the pleading Yuka, the teachers present their settlement conditions. It is 'to be with the male teachers for just one day.' Yuka, who complies for her beloved son's sake, gradually begins to realize her own masochism...
