The story of a high school girl who had to escape bullying and become a sniper to end the game in class 5 of the second grade of Baekyeon Girls' High...

Soo Ji transfers to Baekyeon Girls’ High School and discovers that her class plays a game called the Pyramid Game in which the students decide...

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...

Soo Ji moves up to Grade C, and the treatment she gets changed completely overnight. She breaks the promise she made with Ja Eun, but she decides to...

Soo Ji begins to feel uneasy about the unfolding events, suspecting that her plan may have been compromised and that Ha Rin is catching on. Learning...

During the parents' visit to the school, Soo Ji gets caught up in Ha Rin's trap. While Soo Ji tries to make a pact with Do Ah, Seung Yi puts on a...

With no Grade F in the 15th game, Soo Ji changes gears to eliminate the game with Ye Lim's help. First, she suggests voting to revoke Grade A...

Baekyeon Girls’ High School goes on a school retreat. While practicing diving, someone pushes Ha Rin into the water, and Ja Yeon jumps in to...

Soo Ji decides to recruit more girls to end the game and Ha Rin for good. When Da Yeon is about to be punished for what she did to Eun Jung, their...

The 16th Pyramid Game begins, and Ha Rin suggests choosing a classmate who will become a permanent Grade F. Before the voting takes place, Soo Ji...

Ja Eun reveals what she used to do to Ha Rin, but Soo Ji thinks Ha Rin is just using it as an excuse to make Ja Eun's life miserable. The school and...