On a massive luxury cruise ship while at sea, the loyal butler and a mysterious woman cross paths as they try to uncover a murder-mystery that occurs on the ship.
吉沢亮
as Suguru Ubukata
宮﨑あおい
as Chizuru Banjaku
吉田羊
as Hatsumi Yabuchi
菊地凛子
as Aina Horikawa
永山絢斗
as Shintaro Ibuki
泉澤祐希
as Ryuki Yuzawa
蒔田彩珠
as Shiori Hagiwara
岡山天音
as Naoyuki Fukawa
松井愛莉
as Rina Kaneyoshi
近藤芳正
as Tatsuro Tadokoro
宮崎吐夢
as Takahito Komiya
岡部たかし
as Edward Edo
