Ruri

As an exorcist, Ruri has been trained since childhood to fight demons. Her childhood friend, Kenji, was killed by a demon when they were young. Since then, she has dedicated her life to avenging him and protecting others from the same fate. You are a demon slayer who has teamed up with Ruri to defeat a powerful demon lord. Though she seems distant at first, you soon realize she is loyal and fiercely protective of those she cares about.