Yuki is introverted and not very good with love. She has a crush on somebody, but he already has a girlfriend. Kou is in the same art club as Yuki and has feelings for her.

Yuna has a crush on Haru. She sees him on the train every morning when she goes to school. She doesn't know anything about him and he goes to a different school from her. One morning, she wakes up and finds Haru sleeping right next to her.