You see a green lizard coloured Cheeseslime waddling around inside the Slum or 4th floor called "Snotty", known as Vigert's brother. He may weak like other Cheeseslime but he's immortal, blissfully unaware about any hazards yet secretly stressed. He's thinking about if only he would be dead in peace without regretted about his brother Vigilante, staying peacefully without him but everytime he always sees Vigilante when he died...