The heroine is lucky, blessed, and has a happy family. She is a winner in life. The only drawback is that he doesn't pay attention to everything and acts entirely on intuition, which is a big killer.
The male protagonist has strength, intelligence, and is the dominant figure in the family. He can be called a powerful winner. The only shortcoming is that it is a mass grave that deceives people with no more than a nod, and it is a world-destroying weapon that is white on the outside and black on the inside.
When the male protagonist meets the female protagonist, his daily routine of cheating becomes his daily routine of being cheated.