My Enemy Is My First Love

I have a lovehate relationship with my first love Ji Yura who is the elder of twin sisters and the very same person who bullied me and cruelly rejected my innocent feelings Then my first love changed to Ji Yuri the younger twin of Ji Yura who comforted me when I got bullied However when I thought I put those painful memories behind me when I started university Ji Yura reappeared in front of me