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The band prepares for a performance at the music festival, where they meet Tae Kyung's mother and Yoo He Yi, a singer-actress with a fake personality.
Jang Keun-suk
Hwang Tae-kyung
Park Shin-hye
Go Mi-nam / Go Mi-nyeo
Jung Yong-hwa
Kang Shin-woo
Lee Hong-gi
Jeremy
Uie
Yoo He-yi
Kang Soo Han
Hwang Tae-kyung
Kim Sung-ryung
Mo Hwa-ran
Jung Chan
President Ahn
Bae Geu-rin
Sa Yu-ri
Kim In-kwon
Ma Hoon-yi
Yoo So-young
"Before School" girl group member
Lee Ju-yeon
"Before School" girl group member