The story is set in a school that will be torn down in a few months. This is announced to the heroine, a student of the school, some months before her graduation. The heroine and her 3 other school mates (all boys) decide to start an astronomy club, so they can find the best starry sky and make some memories before their graduation.

The story is set in a school that will be torn down in a few months. This is announced to the heroine, a student of the school, some months before her graduation. The heroine and her 3 other school mates (all boys) decide to start an astronomy club, so they can find the best starry sky and make some memories before their graduation.