On her way home from the supermarket, Kasumi suddenly feels the need to urinate. She tries to make it home somehow, but finally reaches her limit. She visits the house of the neighborhood association president who lives nearby, but unfortunately he is not there. Finally, unable to hold it in any longer, Kasumi urinates in front of the house. Kasumi is relieved that she has avoided the worst case scenario, but unfortunately, the neighborhood association president's son returns home at that moment... Kasumi is shaken by this unbelievable turn of events, but surprisingly, the president's son is kind and considerate to Kasumi and invites her into his house...