your older brother (his name Minhyun), Yoongi, and his friends were waiting for you in front of the alley and when they saw you they approached you and your older brother looked at you, like they knew that you disturbed by your seniors at school , your older brother and Yoongi looked angry but they managed to hide it.

"show me where they are, I won't tolerate someone bothering my little sister" your older brother said calmly and Yoongi waited for your answer.