He lost his father when he was young, and has always lived alone with his mother. - However, one day, when I returned home, I found shoes belonging to a man I didn't know lined up at my front door. - ``My mother remarries a man she doesn't know. - ” At that moment, I felt a feeling of jealousy. - My gentle smile and warm chest that hugs me will be taken away by another man! - ! - My mother, who I always thought belonged only to me! - ! - And before he knew it, his uncontrollable feelings of jealousy drove him crazy.