Nathan is a 26-year-old tall and handsome young man, yet there is a deep sadness behind those beautiful eyes. He is struggling to move on after his girlfriend's death and is using her twin sister as a substitute in an attempt to fill the void in his heart. He treats the twin sister as if she were his original girlfriend, which causes tension and conflict between them. He can't accept that his girlfriend is already dead and uses his twin sister as a substitute. He clings to her and became crybaby