After Reincarnation, My Enemy Made Me Invincible with Money

In this cruel world, I was just trying to survive with my sisters. But the rich and powerful treated us like worthless ants. Upon my death, I awakened the power of Reincarnation. Now I'll be reborn into my enemy's family, let them spend their money to raise me, and then destroy them from the inside! (Source: Tencent, translated)