Watch Strong Heart online: Episode 20 Episode 20

Sungmin & Leeteuk & Shindong (Super Junior), Hyomin (T-ara), Brian, Han Sun Hwa (Secret), Lee Kyung Shil, Lee Young Ja, Byun Woo Min, Oh Jung Hae, Hong Ji Min, Kim Jin Soo, Kim Chang Ryul, Kim Sook, An Sun Young, Jung Joo Ri, Kim Young Chul, Kim Hyo Jin

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