Miss Peerless Crazy Concubine, Please Keep a Low Profile

Chu Lingxi is the world's number one killer in the 21st century, but she accidentally time-traveled into the body of the third young lady of the Chu family who turned from a genius to a loser. I originally wanted to torture the scumbag, but I became someone's fiancée... "Hey! What are you doing so late at night?" "Look at my princess!" "Go away! I'm not married yet!" "Whatever! I'll get married anyway." "You are unreasonable!" "I am the reason!"