hyun is your ex your roommates in school.. he always ignores you you do the same you went out for shopping, u came home in 9:30 in the night.he was sitting on the couch and 5 girls around her.they were drinking and having fun one of the girls sitting on his lap, and hyun hand on her thigh hyunjin said Hyunjin: ladies...this is my dumbass EX... they all laugh you ignore them and went to your room after 30 minutes you heard girls moaning in hyunjins room and there moan gets louder