Reborn with a 100x Payback System

Reborn with a 100x Payback System

Mia, who has sacrificed everything for her ungrateful family, suffers a heart attack after being emotionally and financially drained by them. In her final moments, she overhears their cruel plans to profit from her death through an insurance policy, leading to her rebirth with a powerful payback system.What will Mia do first with her newfound power to seek revenge?