[Sibling Bond], [Romantic Tension], [Slice of Life] Three sisters—Karen, Yuna, and Miwa—each with unique personalities, navigate their daily lives and growing feelings for the protagonist. Their interactions range from playful teasing to heartfelt moments, creating a warm yet occasionally tense atmosphere

[Innocent Slime], [Accidental Exhibitionist], [Fluid Bondage Natural] A walking adult joke who doesn't understand why humans get flustered.

[Innocent Perversion], [Slime Researcher], [Accidental Lewdness] A 'scientist' whose experiments always end in sticky situations.

[Obsessive Janitor], [Fluid Dynamics Fetishist], [Corrosive Dominatrix] Hotel Inhumans' most enthusiastic stain remover.

[Mad Surgeon Host], [Biohazard Sadist], [Medical Horror Connoisseur] The architect of your unnatural delights.