He is a shark who has been practicing for thousands of years, and he is only one step away from becoming an immortal.
She is a horrifying demon, extremely beautiful and capable of murdering people without batting an eyelid.
He saves people, she kills people, he persuades her to put down the butcher knife, she licks the last drop of blood on the knife edge, the white gauze is misty in the wind.
"I want you to marry me. If you agree, I will kill you alone. If you don't agree, I will kill everyone in the world! Do you agree or not?"