Demons Invaded, and I Was Forced to Kill My Sister.

InvincibleDecisive KillingDemon Invasion The sister of the proud daughter turned into a monster that eats people without blinking an eye. Xu Yu clenched the long knife in his hand. After much hesitation, he decided to give her a happy ending. "Sorry, we will be relatives again in the next life." This book is also called: Demon Invasion, I picked up all the attributes/I used this body to defeat all demons