79
About
In a small fishing village, a gloomy middle school student named Kai meets a mermaid named Lu.
Theatrical
May 11, 2018
Director
Writers
Producers
Music
Studio
Science SARU, Fuji Television Network, TOHO, BS Fuji
Original Title
夜明け告げるルーのうた
Original Language
Japanese
Keywords
Where to Watch
Region
Apple TV Store
Rent from
HD
$3.99
Apple TV Store
Buy from
HD
$11.99
Amazon Video
Rent from
HD
$4.99
Amazon Video
Buy from
HD
$12.99
HBO Max
Stream included
HD
Included
See all 7 options →
Prices last updated October 4, 2026. Pricing and availability may vary by region.
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Cast
Full credits →S
Shota Shimoda
Kai Ashimoto (voice)
S
Soma Saito
Kuniko (voice)
M
Minako Kotobuki
Yuuho Ebina (voice)
K
Kanon Tani
Lu (voice)
A
Akira Emoto
Ashimoto's Grandfather (voice)
S
Shizuka Itoh
Isaki (voice)
K
Kenichi Suzumura
Teruo Ashimoto (voice)
T
Tokuyoshi Kawashima
Fuguda (voice)
C
Cho
Ebina's Father (voice)
T
Takayuki Sugo
Ebina's Grandfather (voice)
S
Shinichi Shinohara
Lu's Father (voice)
M
Mutsumi Sasaki
Chief Priest (voice)
