Their Promise

Spring. As Kinohata Mira enters high school she suffers a huge shock when she finds that the astronomy club she swore to join was gone. When Mira was a young girl she promised a certain person that they'd discover an asteroid, and that became her dream. Yet starting this year the school's astronomy club and geology club have been merged into the earth sciences club. She quickly joins and in the club room she finds three unique older students as well as...