Sakamoto, the vice-president of the Astronomy Club, is a dull man who works hard at the club's activities every day while harboring feelings for Kuragami, a slightly unusual club member who often dreams of UFOs. One day, a new member, Futaba, joins the club. He has a somewhat unique aura and for some reason is aloof from everyone. However, he seems to have feelings for Kuragami and actively talks to her. Sakamoto somehow doesn't like this...

"What connects the small Earth with the vast universe is a single, trivial lie."