This seishun eiga (youth film) follows three teens as they face and share problems in their lives: Natsu (Megumi Seki) breaks up with her boyfriend and later finds out that she is pregnant; Koko (Shihori Kanjiya) has trouble accepting her mother’s romance; Marine (Eri Tokunaga) has a crush on a boy she saw on a train, but can not bring herself to speak to him.