News News: Actor Choi Sung Won is set to star in the upcoming thriller drama 'Pyramid Game' as Lim Joo Hyung, a homeroom art teacher at Baekyeon Girls’ High School. The drama is based on a Naver webtoon and revolves around a secret popularity vote that leads to a complex division of victims, perpetrators, and bystanders. Don't miss Choi Sung Won's highly anticipated comeback!