In 2018 a young boy named 21 Emon dreams of becoming a space pilot and exploring space in general. He is the heir to a long line of hotel owners, which dates back to the founder of during the Tokugawa shogunate. Since the Earth has become a planet visited by tourists from all over the space, 21 Emon has to help out his family's business or they'll go bankrupt.

Ayane is a high school student focused on one thing, becoming a pro wrestler. A trainer tricks her into becoming a Kick Boxer, the sport she hates. She keeps with it though once she finds out.

Nobumasa is a boy who works part-time in a shoe store, where he meets Mizuki, a girl whose abusive family life has left her unable to trust other people. Meanwhile, Nobumasa is unaware that another girl, Seiko, has a crush on him but is unable to express her feelings.

The series is about a missing genius whose mysterious disappearance becomes a shady secret among the successful members of society. (source: MAL News)