GANYMEDE Inc. (Head Office: Minato-ku, Tokyo, Representative Director: Daisuke Nishihara) is pleased to announce that 'The k4sen Con 2026,' an event produced by k4sen, a streamer belonging to the professional esports team 'ZETA DIVISION' operated by GANYMEDE Inc., will be held from Saturday, August 8, 2026, to Sunday, August 9, 2026, at the Yoyogi National Gymnasium First Gymnasium. ■ What is 'The k4sen Con'? 'The k4sen Con' is a solo entertainment event where k4sen pursues "fun" with all his might. First held in 2024 at Ariake GYM-EX, it garnered significant attention for its diverse range of segments including 'Call of Duty,' 'Power Pro Baseball,' and 'Academic Ability Test,' as well as original projects like the live-action 'Buckshot Roulette.' In 2025, the venue was moved to Tokyo Garden Theater, expanding the scale. It featured 14 stages combining competitive and variety elements, such as 'Passbook Custom' in VALORANT and 'LoL Aptitude Test,' drawing a total audience of approximately 17,000 people. Furthermore, since last year, the event has continued to evolve into an experience that allows not only viewing but also participation, by introducing its unique 'Kase Coin System.' It is one of Japan's largest streamer events, symbolizing the growth of the streamer scene and the bond with fans. ■ Kase Coin System 'From a viewing event to an experiential event. The event is completed by your participation.' All attendees will be awarded digital points called 'Kase Coins' on the dedicated event website, introducing a prediction system for wins and losses. Attendees can predict the outcomes of matches and contests within the event, and if their predictions are correct, the points of those who guessed incorrectly will be shared among them. At the end of the event, rankings will be determined by the number of points earned, with luxurious prizes and special awards presented to the top performers. During the 'intermission' between stage transitions, mini-games and small t