Kageyama (Sho Sakurai) works as the butler for rich heiress Reiko Hosho (Keiko Kitagawa). Reiko happens to be a novice detective but lacks certain deductive skills needed by detectives. Because of this Reiko relies on Kageyamaa to help her solve cases. Meanwhile, Kageyama isn't afraid to mince words and often calls out Reiko with his sharp tongue!
as Reiko Hosho
as Kageyama
as Kyoichiro Kazamatsuri
as Takuya Todo (cabin manager)
as Rinko Todo
as Tenmei Ishikawa
as Shinnosuke Unabara (ship captain)
as Chika Yuki
as Junichi Matsushige
as Yuta Koenji
as Paraji・Isuwaran
as Mizuki Makurazaki
as Raymond Yo
as Karasawa
as Ten Kyogoku
as Kenta Koenji
as Miho Kumazawa