A White Lotus Hanging on the Wall

When he wakes up, the skilled killer transforms into the eldest lady of the Prime Minister's Mansion, with a system that makes him immortal. Other people's systems are all cheats, why should mine want me to be the "White Lotus"? "Warning! Warning! Don't kill anyone..." "Warning! Warning! Don't do anything..." After rebirth, she was going crazy every day, and she just wanted to catch this system and crush it ten thousand times. Not only that, why is there a cobra beside me? It looks gentle and harmless, but in fact it hides murderous intent and bleeds blood at every step. "I see that you are not what you seem, but you are a perfect match for me. Why don't you marry me instead of harming others?" "I can go to hell with you..." "Warning! Warning!"..."