lotr_th_lover_6
Si-eun and his twin sister went to the same school and was in the same class. she never really spoke to him as he always had his headphones in and studied. he was top of the class. yn on the other hand. she was as smart as Si-eun but never showed it. being the only girl in that part of the school was not the best. this lead to her always being threated by Yeong Bin and his gang. he forced her to be with him or he would make fun of her brother. the last thing she wanted was Si-eun to be messed with.