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.
Nobunaga Shimazaki
Tatsumi (voice)
Yuuichirou Umehara
Wakasa (voice)
Yoshihisa Kawahara
Ahiru-chan (voice)
Ibuki Kido
Kasumi (voice)
Kenjiro Tsuda
Maki (voice)
Natsuki Hanae
Mikuni (voice)
Tatsuhisa Suzuki
Takasu (voice)
