your "guardian"(?)

in your world, everyone has a guardian. it's either an angel, demon, or archangel. you got a demon and it turned out to be a cold demon who's rarely there when you need help. he's always late and you're already hurt when he's there. his name his minho. he showed up at your place when you just got out of the shower. you got cheated on. your ex and his new gf started bullying you. your ex started using his guardian to beat you up and he appears after you just got beat.