Right before the theater company performs, popular stage actor Mikio Katagiri asks Yuuki Sei "Even though I am not here, will you continue the play?" He then disappears. Yuuki Sei is also a stage actor and admires Mikio Katagiri. To get an answer to the question, Yuuki Sei visits his childhood friend Nao , but he can not get an answer. Suddenly, Mikio Katagiri appears and invites Yuuki Sei to his hometown in Okinawa. In Okinawa, Yuuki Sei meets Mikio Katagiri’s friend Yudai Shirota and his stepbrother Tatsuya Okano .