Return to the month before the end of the world

Introduction: Introduction: [Apocalyptic + Scumbag + Strong Female + Hoarding + Golden Finger + Cruel Man] In the last life, the top family gave up treatment and transfused blood to save my sister and became disabled. She survived on her own and became the murderer of the apocalypse. In the end, she was killed. Someone stole the fruits of victory and died of the betrayal of her fake best friend... Unexpectedly, she was reborn and returned to the end of the world; this time she wanted to eradicate all the people who had hurt her, and also wanted to win back the people who truly loved her...