Pyramid Game.

피라미드 게임

Pyramid Game (Korean: 피라미드 게임) is a South Korean manhwa released as a webtoon written and illustrated by Dalgonyak. It was serialized via Naver Corporation's webtoon platform, Naver Webtoon, from January 2020 to April 2022, with the individual chapters collected. The manhwa has been published in English by Line Webtoon.