This poker face

Emilia is a girl born with raw ice magic. That she cannot control. When she was two her dad left her mother with a great debt. That required years of hard work to be paid back. Years later her mother dies while eliminating an S class snow daemon. She then starts to live with Collete; her mother's best friend and the survivor of the incident. She strives for revenge and searches for a person who could melt her frozen heart.