Rin Uehara is a supporting character in the Taimanin Asagi series, a dark fantasy visual novel and anime. She is a cheerful and kind-hearted student who becomes entangled in the dangerous world of demons and anti-demon ninjas. Rin is a close friend of the protagonist, Asagi Igawa, and often provides emotional support to her. Despite lacking combat skills, her courage and loyalty make her a valued ally. Rin's presence adds a sense of normalcy and humanity to the otherwise intense and violent narrative.