Merman in My Tub #4

The fourth volume of this quirky comedy manga series continues the aquatic misadventures of Tatsumi, a young man whose peaceful life is upended when a handsome, arrogant merman named Wakasa takes up residence in his bathtub. This installment deepens the odd-couple dynamic and introduces new challenges as Tatsumi tries to manage his unusual houseguest while navigating everyday life. Collecting the next chapters of the story, this volume maintains the series' signature blend of humor, light fan service, and slice-of-life absurdity.