Spell Return: How Should I Survive in This World as a Curse Spirit?

Prayer for rebirth: Thank you for the invitation. In the world of magic, I just want to be a legal and good magic spirit, but I seem to have gotten into trouble with something terrible:-( *Essentially a Mary Suvin with all single arrows *The heroine is a rookie, and she is also a rookie in the later stages. Mary Sue is a rookie. *The scumbag author is an old pervert Intention: harmonious coexistence between man and cursed spirit