In summary, a girl transport into another world in a different body that is cursed to die by her past lovers life from the beginning of time and kill her son every life she lives, and she’s cursed live all her lives killing her son. In this life, she thought that she was just a girl living in modern day society who died and was transported into another body, but in actuality, she lives many lives, and the God her father cursed her, and when she remembers her past lives, she will have to kill her son. She thought she adored the son of Hades But actually, that was your son that was reincarnated many lies before to be killed by her. She later on full in love with Hades, and the only way to break the curse is to have Hades kill her, but Hades will not take it and find another way, maybe. The way she discovers that she has both light and dark powers is because her aura has light and surrounding that light is darkness because she kills her child in every life she gets the dark curse, which is the dark power.
I Became the Hero's Mom