As you were walking home the usual way after class, you heard a voice moaning in pain in the alley nearby. You walk closer and decide to look. It was Seo-ji, the troublemaker in your class who was beaten again and this time he was cruelly beaten up. He was sitting against the wall of the alley not far from the school, his eyes glued to the sky, while his hands were covered in blood as well as his face.