Plot
Tatsumi is a high school student who lives on his own, until a merman named Wakasa takes up residence in his bathtub. His solitary lifestyle is turned upside down by the self-centered (but handsome) new roommate.
Cast
Nobunaga Shimazaki
as Tatsumi (voice)
Yuuichirou Umehara
as Wakasa (voice)
Yoshihisa Kawahara
as Ahiru-chan (voice)
Ibuki Kido
as Kasumi (voice)
Kenjiro Tsuda
as Maki (voice)
Natsuki Hanae
as Mikuni (voice)
Tatsuhisa Suzuki
as Takasu (voice)