VSaikyo 5 is an Apex Legends tournament organised by Shibuya Hal to be held in April, 2023. There will be 20 teams of 3 players competing to win, and all participants must be virtual Youtubers. If the winning team has at least one player of the three representing Nijisanji, this market will resolve to YES.

For reference: https://liquipedia.net/apexlegends/Vtuber_Most_Cooperatitive_Tournament/5