Plot: Soo Ji is determined to figure out the characteristics of her classmates and the mastermind behind the Pyramid Game. She also tries to join forces with other girls who seem vulnerable
Cast
BonaSeong Su-jiBona was 28 in Pyramid Game - Season 1 - The Mastermind of the Pyramid Game (Episode 2).
Birthday: Sat, Aug 19 1995
Jang Da-aBaek Ha-rinJang Da-a was 22 in Pyramid Game - Season 1 - The Mastermind of the Pyramid Game (Episode 2).
Birthday: Sat, May 05 2001
Ryu Da-inMyung Ja-eunRyu Da-in was 23 in Pyramid Game - Season 1 - The Mastermind of the Pyramid Game (Episode 2).
Birthday: Fri, Sep 29 2000
Kang Na-eonIm Ye-rimKang Na-eon was 22 in Pyramid Game - Season 1 - The Mastermind of the Pyramid Game (Episode 2).
Birthday: Sun, Apr 15 2001
Jeong Ha-damKo Eun-byeolJeong Ha-dam was 30 in Pyramid Game - Season 1 - The Mastermind of the Pyramid Game (Episode 2).
Birthday: Mon, Feb 28 1994
Ha Yul-RiBang Woo-yiHa Yul-Ri was 25 in Pyramid Game - Season 1 - The Mastermind of the Pyramid Game (Episode 2).
Birthday: Wed, Jan 13 1999
Hwang Hyun-jungKim Da-yeonHwang Hyun-jung was 19 in Pyramid Game - Season 1 - The Mastermind of the Pyramid Game (Episode 2).
Birthday: Thu, Oct 21 2004
Shin Seul-kiSeo Do-ahShin Seul-ki was 25 in Pyramid Game - Season 1 - The Mastermind of the Pyramid Game (Episode 2).
Birthday: Tue, Mar 03 1998
Lee Ju-yeonShim Eun-jeongLee Ju-yeon was 29 in Pyramid Game - Season 1 - The Mastermind of the Pyramid Game (Episode 2).
Birthday: Mon, Jul 18 1994
Oh Se-eunSong Jae-hyungOh Se-eun was 22 in Pyramid Game - Season 1 - The Mastermind of the Pyramid Game (Episode 2).
Birthday: Sat, Jun 09 2001
Ahn So-yoYoon Na-heeAhn So-yo was 36 in Pyramid Game - Season 1 - The Mastermind of the Pyramid Game (Episode 2).
Birthday: Sat, May 30 1987
Son Ji-naThe PresidentSon Ji-na was 52 in Pyramid Game - Season 1 - The Mastermind of the Pyramid Game (Episode 2).
Birthday: Sat, Jul 10 1971