The story centers on Kai, a gloomy middle school student whose life changes after meeting Lu, a mermaid.
Masaaki Yuasa
Shota Shimoda
Soma Saito
Minako Kotobuki
Kanon Tani
Akira Emoto
Shizuka Itoh
Kenichi Suzumura
Tokuyoshi Kawashima
Cho
Takayuki Sugo
Shinichi Shinohara
Mutsumi Sasaki
Science SARU
Fuji Television Network
TOHO
