The gateway to Idol stardom might have opened for the newly formed singing group Wake Up, Girls, but the path to fame is full of perils and pitfalls. And for Mayu, Airi, Minami, Yoshino, Nanami, Kaya and Miyu, it's going to be especially difficult knowing who to trust, as their manager Matsuda's lack of experience could give other, less scrupulous, individuals a chance to take advantage.

SONG by (송 바이) is a miniseries by Stray Kids' Kim Seungmin centered around his personal journey as a vocalist. He talks about singing and covers a song.