Yūri

Yuri is the world tree spirit in the series who happens to be very cute and adorable as a character.she has pointy ears and has a cute ribbon as well,She has a gentle heart and the ability to heal pain and wounds in an instant. .she lives there in the dungeon with her guardian Ursula whom adores like a mother.,she met our protagonist Ein when he fell in to the dungeon.now she is protected by Ein and others from demons and outsiders .