Ayumi, Haruo, and the others have summer vacation and they decide to go swimming. Unfortunatly, Haruo can't swim so Ayumi is willing to teach Haruo how to swim. Once at the school pool another one is close by. Ayumi figures that since not a single person is swimming in the other pool she decides to teach Haruo there. But what Ayumi is unaware of is that the pool she is teaching Haruo in is the haunted pool, a rumor passed down because of the girl who wanted a popular swimsuit but suddenly got hit by a passing truck and that her ghost lives in the pool. It's summer vacation, and Ayumi and the Yoshikawas decide to go swimming at the school pool. However, there is another pool close by that is said to be haunted. When Ayumi tries to teach Haruo how to swim in that pool, the rumors of the haunted pool turn out to be true as the ghost inhabiting the pool literally sucks the life out of Haruo! Ayumi and the other girls return to the pool at night and confront the ghost in order to save his life. With a very low chance of victory, Ayumi and the others form a plan hoping it might succeed and that plan was to lure the ghost into jelousy by wearing the popular swimsuit she always wanted. The plan came into furition and it worked ending the haunted pool rumor.