In a small fishing village, a gloomy middle school student named Kai meets a mermaid named Lu.
Shota Shimoda
Kai Ashimoto (voice)
Soma Saito
Kuniko (voice)
Minako Kotobuki
Yuuho Ebina (voice)
Kanon Tani
Lu (voice)
Akira Emoto
Ashimoto's Grandfather (voice)
Shizuka Itoh
Isaki (voice)
Kenichi Suzumura
Teruo Ashimoto (voice)
Tokuyoshi Kawashima
Fuguda (voice)
