Merman in My Tub #1

This lighthearted manga collection kicks off the comedic tale of Tatsumi, a high school boy who discovers a handsome merman named Wakasa living in his bathtub. Volume 1 adapts the early chapters of the original webcomic by Itokichi, blending slice-of-life humor with the absurd premise of a mythical creature adjusting to modern domestic life. Released by Seven Seas Entertainment, it introduces the core cast and the quirky daily routines that define this series.