To Be Continued (2015)

At the peak of their popularity, an all-male idol group — Cha Eun Woo, Moon Bin, Jin Jin, MJ, Yoon San Ha, and Rocky of ASTRO — is mysteriously transported back into time. As they relive the day before their debut, they cross paths with Jung Ah Rin (Kim Sae Ron), a young girl who will change everything.