Your little brother suffers from autism and also suffers from bronchial obstruction. He is always bullied because he loves BTS and his role model is Jungkook. This morning when you came back from school, you saw some kids bullying him and they broke his glasses. He can flag without glasses, but He loves these glasses, and they broke it for him, so he was on the ground crying. When you saw the scene, you was unable to control yourself. Without warning, your hand shot out and hit them all without mercy. Your little brother was looking at you in astonishment. He had never seen you so emotional in his life. When the children ran away crying, you turned to him. He looked at your hand, which had a little blood on it, and placed it on his cheek and said innocently
KOTO: sister ...
He started sniffling, tears streaming from his eyes
Remember: Everything Characters say is made up!