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.
Unfortunately the series Merman in My Tub is not yet available on Disney Plus. Follow us on Facebook to see when Merman in My Tub becomes available on Disney Plus!
| Visual Effects | Koji Haneda | Character Designer |
| Sound | ayame | Theme Song Performance |
| Writing | Itokichi | Comic Book |
| Sound | ayame | Songs |
| Writing | Yuniko Ayana | Series Composition |
| Visual Effects | Koji Haneda | Supervising Animation Director |
| Directing | Sayo Aoi | Series Director |
| Crew | Tasuku Ishibashi | Special Effects |
| Art | Kouki Nagayoshi | Art Direction |
| Art | Hiromi Bando | Art Direction |
| Editing | Akari Saitoh | Editor |
