Fighting the Demon

[Female protagonist + villain + detective + stunning male protagonist + cold and tough male supporting role + treasure + adventure] She is stunningly beautiful and extremely resourceful. He was cold, arrogant, handsome, and only considered her; he was the most resourceful and ambitious in the world, but he surrendered under her skirt. Seize treasures, investigate cases, and travel through time to see who can conquer the world and win the beauty.