I have a love-hate relationship with my first love. The elder of the twin, ‘Ji Yura’. The very person who bullied me and cruelly rejected my innocent feelings. Then, my first love changed. To ‘Ji Yuri’, the sister of Ji Yura who comforted me when I got bullied. However, while carrying these painful memories up to university. My enemy, ‘Ji Yura’ reappeared in front of me after I became a university student?!