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Mi Nyeo must continue the ruse as her brother and as Shin Woo's girlfriend. Tae Kyung tests her to find out if she truly likes him or not.
Jang Keun-suk
Hwang Tae-kyung
Park Shin-hye
Go Mi-nam / Go Mi-nyeo
Jung Yong-hwa
Kang Shin-woo
Lee Hong-gi
Jeremy
Uie
Yoo He-yi
Kang Soo Han
Hwang Tae-kyung
Kim Sung-ryung
Mo Hwa-ran
Jung Chan
President Ahn
Bae Geu-rin
Sa Yu-ri
Kim In-kwon
Ma Hoon-yi
Yoo So-young
"Before School" girl group member
Lee Ju-yeon
"Before School" girl group member