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In a life-and-death situation, Chaewoon is moved to a hidden laboratory in BF's basement.
Ju Ji-hoon
Woo Chae-woon
Han Hyo-joo
Yoon Ja-yu
Lee Hee-jun
Seon Woo-jae
Lee Mu-saeng
On San
Jun Suk-ho
Seo Hee
Park Ji-yeon
Jung Hae-deun
Kim Sang-ho
Kim Sin-goo
Yi Seo
Hong Sae-ip
