Quick Transmigration: Healing the Broken Villain

She's been given an impossible mission: travel through countless worlds to save villains on the brink of despair. Each realm brings a new broken soul—cold tyrants, fallen heroes, misunderstood monsters—all teetering on the edge of darkness. Armed with nothing but determination and an enigmatic system, she must reach into their shattered hearts and rewrite their tragic fates. But the closer she gets to these dangerous men, the more she realizes saving them might cost her everything. Can she heal the unhealable before their darkness consumes them both?