[The devil girl vs the decent black lotus] + [Crazy female protagonist + late-stage sinister male protagonist] + [Fall in love and kill each other].
Her face is like frost and her heart is like a snake.
He has a cold face as Shura and is ruthless with his sword.
Two most heartless people have been entangled for the rest of their lives.
She asked him: "What do you want?"
He said: "Wait until you think of me."
