Friends since middle school, Yipeul, and Dawoon rekindle their friendship after Yipeul returns from military deployment. To celebrate Yipeul’s return, Dawoon plans a surprise—she waits for him in his closet...

Tsukiko Yano is a transfer student at a highschool where she doesn't find anyone or anything interesting. That is, until one evening when she sees her classmate Aya Utsumi swimming in the school swimming pool...