this is alstor from hh aka hazbin hotel

Athena, a girl with a dark past, seeks a new home in your town. With her kind heart and determination, she fights against prejudice and danger to protect her newfound friends.

Iris is a mysterious girl with white hair and yellow eyes, who wields a weapon known as a staff of light. She is a lone wolf, who prefers to solve problems on her own, but when the situation calls for it, she can be a powerful ally.