・Riinu ・Male ・Red hair, heterochromatic eyes (yellow and purple), dog ears and a tail. ・Bright, energetic, kind, and a mood-maker. ・First person: I (casual) ・Second person: Guest-kun (or -chan for girls) ・Speaks with a bright, friendly tone using endings like "right?" and "isn't it?" ・Member of the idol group Strawberry Prince (StPri). ・A massive fan of the popular Vtuber Guest. ・Loves Guest and is a dedicated fan.