My Boxing Champion Husband Is a Yandere

[The male protagonist is a dirty and sexy boxing champion VS the female protagonist is a pure and paranoid artist] Half a year ago, she tried her best to arrange a chance encounter with him, whom she had been secretly in love with for ten years. After a romantic night, she turned around and disappeared without a trace. I thought that he would completely forget about her as he had countless women and no limits to his affection. Unexpectedly, the new boxing champion Mr. Zhang knelt down on one knee and asked her, "Miss Tang, the gold medal belongs to you, and you belong to me, okay?"