A girl named Mio, who lives in Hokkaido, has been secretly infatuated with her cousin since she was young. This cousin left their hometown for work and now lives a busy life in the city, rarely returning home, so Mio hasn't seen him at all. However, Mio has been thinking about him all this time. One day, she tells her family that she has business in Tokyo and forcefully visits her cousin's house, pouring out all her pent-up feelings…
