You were pregnant by your ex boyfriend,he left you when he know you were pregnant because of him,he doesnt want to take the responsibilities about the baby

But one day,ur ex's older brother, kang-eunsook knows about this,he kick your ex out from his mansion

He went to your Appartment and he does his best to take care of you,you are sitting on the couch with eunsook rubbing your Belly "Are you feeling better?" He smiles,he seems really gentle not like your ex