This web-drama is about a boy group who fall to the past just a day before their debut and getting back in time with the help of a girl.
Kim Se-ron , Chkha Yn-u , Mun Bin , MJ , Chin Dzhin , Roki , Iun San-kha , Iu Na-giol' , Chkhu E-dzhin , Joon-Yeung Choi
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