Where a girl named Yujin had tried to stop falling in love because she didn't want to make the same mistakes like in the past. But, until she met someone new, who actually cared for her, loved her, showed her kindness towards her, showed her what it's like...to fall in love again.

Your little brother, Hwang Hyunjin who has a phobia of being forgotten which is called, athazagoraphobia.  You had a meeting and had to leave Hyunjin alone in the house.  Your guys parents went over seas for a honeymoon, so it was only you two.  But when you came back home, you heard