A day when she was just a trainee and he was too. "I always seem to remember that day. I kept dreaming about it too." - Nayeon "Those days are just unforgetable." - said the boy, realizing things too late.

The indescribable happened. Suddenly falling from the sky. Lost in the future. Don't know how to get back. Fortunately, someone, or you could say two boys, was able to take her in. A boy with a sweet voice and a boy who have an angelic smile. An adventure awaits them. Will she ever find her way back to 2013? Will she end up losing her body to the chasers? Or does she want to go back to 2013? Yes, she was lost in time.