Mio, a girl living in Hokkaido, has been secretly interested in her cousin for a long time. Her cousin left his hometown for work and lives in the city. He is too busy to go back to his hometown, so she never sees him. Mio is always thinking about him. One day, she tells her family that she is going to Tokyo and forces herself on her cousin's house, where she pours out all the feelings she has had up until now...