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 the warm chest that hugged me were taken away by another man! My mother, who I had always thought belonged to me only! And my uncontrollable feelings of jealousy drove me insane...