Moon Heejoon, Moon Chaewon, Kim Wonjun, Park Haseon, Choi Jinhyuk, Yuri & Sooyoung (SNSD), Donghae (SuJu), Lizzy (Orange Caramel), Minhyuk (CN Blue), Hong Kyungmin, Kim Youngchul, Teuk Academy: Leeteuk, Eunhyuk, Shindong
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Ready to Watch Strong Heart, Season 1, Episode 53?