A Guide for the Beloved Kid to Climb onto the Roof and Remove Tiles

In a sudden twist of fate, Song Zhisui transmigrated into the body of a real heiress whose identity had been switched at birth. She was constantly hungry and cold, nearly beaten to death by her alcoholic foster father, and a system kept nagging in her ear. System: Your mission is to continue the original owner's life, struggle to survive in the mud for fifteen years, then return to your biological parents' home, serve as a contrasting example to the fake heiress heroine, complete the villainous supporting character's self-destructive task, and die a tragic death. Suisui opened her big, bewildered eyes and pondered: Hmm… live, go home, be… the heroine. And so, that very day, the little brat took her first steps and stood before her biological mother. Mommy, your little one, check your mail! ...