Oh! My School

Episode 23 (1x23)

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Cast: Soyeon (T-ara), Lee Joon (MBLAQ), Lee Gi Kwang (B2ST), Yang Yo Seob (B2ST), Min (miss A), Hyosung (Secret), Simon D (Supreme Team), Chun Myung Hoon (NRG), Heo Kyung Hwan & Sulli (f(x))