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Seon-u tries to figure out what it means to be a good brother. The hwarang are tested but not all make the grade. Ji-dwi visits the palace.
Park Seo-jun
Moo Myung / Sun Woo-Rang
Go Ara
Ah-Ro
Park Hyung-sik
Sam Maek-Jong / Ji Dwi-Rang
Minho
Soo-Ho
Do Ji-han
Ban-Ryu
Jo Yoon-woo
Yeo-Wool
V
Han-Sung
Sung Dong-il
Wi Hwa Kong
Choi Won-young
An Ji-Gong
Kim Ji-soo
Queen Jiso
Seo Yea-ji
Princess Sook-myung
Kim Chang-wan
Park Young-Sil
Kim Kwang-kyu
Pi Joo-Ki
Ko In-beom
Kim Seub
Lee Da-in
Soo-Yeon
Yoo Jae-myung
Pa-O
Kim Won-hae
Woo Reuk
Lee Byung-joon
Ho Kong
Kim Jong-goo
Seok Hyun-Je
Song Young-gyu
Kwi Kyung Kong
Kim Hyun-joon
Dan Se
Song Min-hyung
Lee Kyoo-hyung
Do Go