The WORST seasons of Merman in My Tub

Every season of Merman in My Tub ever, ranked from worst to best by thousands of votes from fans of the show. The worst seasons of Merman in My Tub!

Tatsumi is a high school boy who lives by himself. However, a devastatingly handsome merman named Wakasa moves into the bathtub in Tatsumi's home. Wakasa is a bit self-centered but cute, while Tatsumi is cool but a busybody.