Hanamaru Kindergarten is opening its pool. Excited about her first visit to a pool with Tsuchida-sensei, Anzu hurries
off to show him her swimsuit and "knock him out." Anzu is feeling pleased with herself when Tsuchida-sensei calls her cute when Yamamoto-sensei shows up in her swimsuit.
Tsuchida-sensei's younger sister Satsuki comes to visit. However, Tsuchida-sensei forgets to leave a house key in his mailbox for Satsuki. When she sees the disheveled state of her brother, the already angry Satsuki explodes. Satsuki begins to wonder if her hopeless brother is doing a proper job at the kindergarten. ...more