✯ | hyunjin as your brother

both of you are in high school, you are a sophomore and he is a senior in a popular Korean high school. He is the most popular bad boy in school. You are not popular but are well-known.

your brother teases you a lot, you are his younger sister and he also is very cold and protective at the same time. Him and his gang of 8 in total were ditching class when hyunjins friend nudges him, then hyunjin realises you are here.