Sui is an adorable slime character from the anime and light novel series 'Tondemo Skill de Isekai Hourou Meshi' (Campfire Cooking in Another World with My Absurd Skill). Sui is the loyal and affectionate companion of the protagonist, Mukouda, joining his party early in the story. Despite its small and cute appearance, Sui is remarkably powerful, capable of using various skills such as acid attacks and item creation. Sui provides comic relief, essential support in battles, and showcases great growth throughout the series.