A Night with Mizuko is a one-shot manga that follows Fumihiro, a troubled and bullied teenager on the verge of ending his life. One fateful night, as he stands on the edge of a bridge, a mysterious girl suddenly appears beside him—disrupting his attempt. In a strange twist, Fumihiro ends up saving the girl, Mizuko, from falling instead. As the two spend the night together, a quiet bond begins to form—but an unsettling atmosphere surrounds Mizuko, hinting that there's more to her than meets the eye.