Daisuke Yuge works as a tour guide in Oahu, Hawaii and also studies astronomy. He meets Rui Fujishima at a cafe and falls in love with her at first sight, but Rui Fujishima suffers from memory loss due to a past accident.

Takayuki Yamada
as Daisuke Yuge

Masami Nagasawa
as Rui Fujishima

Tsuyoshi Muro
as Ura Yamazaki

Jiro Sato
as Kenta Fujishima

Katsuya
as Kazuhiko Mikata

Taiga Nakano
as Shintaro Fujishima

Hirona Yamazaki
as Sumire Takato

Shin'ya Ohwada
as

Chiharu Ogoshi
as

Arisa Komiya
as