Plot: 1 vs. 1 speed lesson with vocal trainer, Jang Jinyoung
Cast
Kim SookSelfKim Sook was 41 in Sister's Slam Dunk - Season 2 - Episode 7 (Episode 7).
Birthday: Sun, Jul 06 1975
Hong Jin-kyungSelfHong Jin-kyung was 39 in Sister's Slam Dunk - Season 2 - Episode 7 (Episode 7).
Birthday: Fri, Dec 23 1977
Kang Ye-wonSelfKang Ye-won was 37 in Sister's Slam Dunk - Season 2 - Episode 7 (Episode 7).
Birthday: Sat, Mar 15 1980
Han Chae-youngSelfHan Chae-young was 36 in Sister's Slam Dunk - Season 2 - Episode 7 (Episode 7).
Birthday: Sat, Sep 13 1980
Hong Jin-youngSelfHong Jin-young was 31 in Sister's Slam Dunk - Season 2 - Episode 7 (Episode 7).
Birthday: Fri, Aug 09 1985
Gong Min-jiSelfGong Min-ji was 23 in Sister's Slam Dunk - Season 2 - Episode 7 (Episode 7).
Birthday: Tue, Jan 18 1994
Jeon So-miSelfJeon So-mi was 16 in Sister's Slam Dunk - Season 2 - Episode 7 (Episode 7).
Birthday: Fri, Mar 09 2001