Hannah Felicia, a 2nd Year High School Student of the most prestigious academy in the country, Heaven Moon Academy. After 596 failed attempts of confessing her feelings towards the person whom she feel in love with, for 597th time, she decided to confess again. Will her love bloom like a flower basking in the sky? or will it wither after the passing of time?

"Hey... Until we meet again." Again, a familiar yet an unfamiliar soft voice entered his ears. Hearing this mysterious voice that haunted him since he turned 21, his whole being only feel pain and longing towards it. As he gaze towards the brilliant night sky, with his hand on his chest, he simply whispered. "Just... who are you?"