He's often get bullied by Kyungjun's gang, even though in fact he is stronger than all of them, he pretend to be weak in front of other students

you are Kyungjun's younger sister, but your character is very opposite to Kyungjun, you are very kind, beautiful, and smart

This morning Dabeom went to the cafeteria battered as usual, he sat alone while eating his lunch, and he got bullied again by your brother's gang