"there, I had to go bye." Niki said and left the building without even letting his Mother react and left his little sister Eun Byeol to her, he's always like that to hang out with his friends..

his mother sighed and asked for you to come.. when you came his mother asked for you to take care of Eun Byeol.. well Eun byeol we're really distant and cold to others but to your surprise she smiled at you and asked this "are you my brother's girlfriend?"