{"id":7613,"date":"2026-08-18T17:48:04","date_gmt":"2026-08-18T08:48:04","guid":{"rendered":"https:\/\/alive-project.com\/en\/streamer-magazine\/?p=7613"},"modified":"2026-08-18T17:48:05","modified_gmt":"2026-08-18T08:48:05","slug":"18837","status":"publish","type":"post","link":"https:\/\/alive-project.com\/en\/streamer-magazine\/article\/18837\/","title":{"rendered":"The k4sen Con 2026 Wraps Two-Day Run With 8 Events at Yoyogi National Stadium, GANYMEDE Unveils New Gaming Bar"},"content":{"rendered":"<p class=\"wp-block-paragraph\">GANYMEDE, Inc. (headquartered in Minato, Tokyo; CEO: Nishihara Daisuke) has announced that &#8220;The k4sen Con 2026,&#8221; a large-scale event produced by ZETA DIVISION streamer k4sen, was held over two days on August 8 (Sat) and 9 (Sun), 2026 at Yoyogi National Stadium First Gymnasium, closing to great excitement and acclaim.<\/p>\n<div style=\"background:#fffde6;border-left:4px solid #ffe066;padding:1em 1.2em;margin:1.5em 0;border-radius:6px;\">\n<strong>Key Takeaways<\/strong><\/p>\n<ul style=\"margin:0.5em 0 0;padding-left:1.2em;\">\n<li>The k4sen Con 2026 held over two days at Yoyogi National Stadium First Gymnasium<\/li>\n<li>A total of 8 events across Day 1 and Day 2, featuring SHAKA, Kato Jun&#8217;ichi, Mokou, and more<\/li>\n<li>Interactive &#8220;Kasecoin System&#8221; introduced to unite performers and audience<\/li>\n<li>Cross-genre collaboration including an escape game supervised by Matsumaru Ryogo<\/li>\n<li>New venue &#8220;UKIYO GAME BAR&#8221; announced to open late August<\/li>\n<\/ul>\n<\/div>\n<h3 class=\"wp-block-heading\">All 8 Events Across Two Days \u2014 Day 1 &amp; Day 2 Lineup<\/h3>\n<p class=\"wp-block-paragraph\">Day 1 featured four events: &#8220;Real GeoGuessr,&#8221; &#8220;The Men Who Don&#8217;t Laugh,&#8221; &#8220;Summer Vacation The k4sen,&#8221; and &#8220;Real Buckshot Roulette.&#8221; Day 2 brought &#8220;Real Butt Battler,&#8221; &#8220;SKULL,&#8221; &#8220;Escape Game (supervised by Matsumaru Ryogo),&#8221; and &#8220;Horse &amp; Relay,&#8221; with streamer-inspired events electrifying the venue.<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-1-3.jpg\" alt=\"The k4sen Con 2026 venue\" class=\"wp-image-7604\" srcset=\"https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-1-3.jpg 1200w, https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-1-3-300x169.jpg 300w, https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-1-3-1024x576.jpg 1024w, https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-1-3-768x432.jpg 768w, https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-1-3-744x419.jpg 744w, https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-1-3-360x203.jpg 360w, https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-1-3-720x406.jpg 720w, https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-1-3-780x439.jpg 780w, https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-1-3-169x95.jpg 169w, https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-1-3-338x190.jpg 338w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n<h3 class=\"wp-block-heading\">Star-Studded Lineup and the Kasecoin System<\/h3>\n<p class=\"wp-block-paragraph\">The event brought together fan-favorite performers from k4sen&#8217;s LTK series alongside popular streamers including SHAKA, Kato Jun&#8217;ichi, Oniya, Mokou, Yuyuuta, and Suzuki Noriaki. The newly introduced &#8220;Kasecoin System&#8221; allowed attendees to earn points and participate in events, drawing attention as a feature that heightened the sense of unity between viewers and the venue.<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-2-3.jpg\" alt=\"The k4sen Con 2026 performers\" class=\"wp-image-7605\" srcset=\"https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-2-3.jpg 1200w, https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-2-3-300x200.jpg 300w, https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-2-3-1024x683.jpg 1024w, https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-2-3-768x512.jpg 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n<h3 class=\"wp-block-heading\">Cross-Genre Collaboration Including Matsumaru Ryogo&#8217;s Escape Game<\/h3>\n<p class=\"wp-block-paragraph\">The &#8220;Escape Game&#8221; on Day 2 was supervised by puzzle creator Matsumaru Ryogo, achieving a collaboration that transcended the boundaries of a typical streamer event. Building on previous partnerships with game makers such as &#8220;<a href=\"https:\/\/alive-project.com\/en\/streamer-magazine\/article\/13856\/\">Sonic Racing The k4sen<\/a>,&#8221; the involvement of creators from different fields continues to expand the scope of the event.<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-3-3.jpg\" alt=\"The k4sen Con 2026 escape game\" class=\"wp-image-7606\" srcset=\"https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-3-3.jpg 1200w, https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-3-3-300x200.jpg 300w, https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-3-3-1024x683.jpg 1024w, https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-3-3-768x512.jpg 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n<h3 class=\"wp-block-heading\">Future Plans \u2014 UKIYO GAME BAR Opening Late August<\/h3>\n<p class=\"wp-block-paragraph\">During the event, <a href=\"https:\/\/zetadivision.com\/\">ZETA DIVISION<\/a> announced that &#8220;UKIYO GAME BAR&#8221; will open at the end of August as a new business venture. Founded in 2018, ZETA DIVISION is expanding beyond esports team management into brick-and-mortar operations. GANYMEDE plans to continue developing entertainment businesses rooted in streamer culture.<\/p>\n<h3 class=\"wp-block-heading\">Takeaways and Outlook<\/h3>\n<p class=\"wp-block-paragraph\">The k4sen Con 2026 has steadily raised its game as an entertainment production \u2014 from Matsumaru Ryogo&#8217;s escape game supervision to the introduction of the Kasecoin System. The scale of filling Yoyogi National Stadium for two days symbolizes the growth of the streamer event market. With the opening of UKIYO GAME BAR, a new hub bridging online and offline, there is considerable anticipation for what comes next.<\/p>\n<p class=\"wp-block-paragraph\">Source: <a href=\"https:\/\/prtimes.jp\/main\/html\/rd\/p\/000000214.000041650.html\">PR TIMES<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. The k4sen Con 2026 wrapped up its two-day spectacle at Yoyogi National Stadium with 8 events, featuring SHAKA, Kato Jun&#8217;ichi, and more. GANYMEDE also announced a new gaming bar.<br \/>\n   k4sen\u4e3b\u50ac\u306e\u5927\u578b\u30a4\u30d9\u30f3\u30c8\u304c\u4ee3\u3005\u6728\u7af6\u6280\u5834\u30672\u65e5\u9593\u958b\u50ac\u3002SHAKA\u3001\u52a0\u85e4\u7d14\u4e00\u3089\u51fa\u6f14\u306e\u51688\u4f01\u753b\u3068\u65b0\u5e97\u8217\u767a\u8868\u3092\u901f\u5831\u3002<\/p>\n<p>2. From real-life GeoGuessr to a Matsumaru Ryogo escape game, The k4sen Con 2026 delivered 8 events across two days at Yoyogi, plus announced UKIYO GAME BAR.<br \/>\n   \u30ea\u30a2\u30eb\u30b8\u30aa\u30b2\u30c3\u30b5\u30fc\u304b\u3089\u677e\u4e38\u4eae\u543e\u76e3\u4fee\u8131\u51fa\u30b2\u30fc\u30e0\u307e\u3067\u3001\u51688\u4f01\u753b\u306e\u8a73\u7d30\u3068UKIYO GAME BAR\u767a\u8868\u3092\u7d39\u4ecb\u3002<\/p>\n<p>3. GANYMEDE hosted The k4sen Con 2026 at Yoyogi National Stadium, drawing massive crowds for 8 streamer events and announcing the new UKIYO GAME BAR opening.<br \/>\n   GANYMEDE\u4e3b\u50ac\u306ek4sen Con 2026\u304c\u9589\u5e55\u3002\u51688\u4f01\u753b\u306e\u30cf\u30a4\u30e9\u30a4\u30c8\u3068\u30b2\u30fc\u30e0\u30d0\u30fc\u65b0\u5e97\u8217\u30aa\u30fc\u30d7\u30f3\u306e\u767a\u8868\u3092\u30ec\u30dd\u30fc\u30c8\u3002<\/p>\n","protected":false},"author":2,"featured_media":7603,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"audition_thumb_url":"","audition_description":"","audition_editor_chief_comment":"","audition_organizer":"","audition_period":"","audition_deadline":"","audition_status":"","audition_recruitment_count":"","audition_selection_flow":"","audition_company_overview":"","audition_official_site":"","audition_sns_x":"","audition_sns_youtube":"","audition_apply_url":"","audition_official_url":"","audition_is_pr":"","audition_source":"","footnotes":""},"categories":[2],"tags":[],"class_list":["post-7613","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>The k4sen Con 2026 Wraps Two-Day Run With 8 Events at Yoyogi National Stadium, GANYMEDE Unveils New Gaming Bar | Streamer Magazine<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/alive-project.com\/en\/streamer-magazine\/article\/18837\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The k4sen Con 2026 Wraps Two-Day Run With 8 Events at Yoyogi National Stadium, GANYMEDE Unveils New Gaming Bar | Streamer Magazine\" \/>\n<meta property=\"og:description\" content=\"1. The k4sen Con 2026 wrapped up its two-day spectacle at Yoyogi National Stadium with 8 events, featuring SHAKA, Kato Jun&#039;ichi, and more. GANYMEDE also announced a new gaming bar.  k4sen\u4e3b\u50ac\u306e\u5927\u578b\u30a4\u30d9\u30f3\u30c8\u304c\u4ee3\u3005\u6728\u7af6\u6280\u5834\u30672\u65e5\u9593\u958b\u50ac\u3002SHAKA\u3001\u52a0\u85e4\u7d14\u4e00\u3089\u51fa\u6f14\u306e\u51688\u4f01\u753b\u3068\u65b0\u5e97\u8217\u767a\u8868\u3092\u901f\u5831\u3002 2. From real-life GeoGuessr to a Matsumaru Ryogo escape game, The k4sen Con 2026 delivered 8 events across two days at Yoyogi, plus announced UKIYO GAME BAR.  \u30ea\u30a2\u30eb\u30b8\u30aa\u30b2\u30c3\u30b5\u30fc\u304b\u3089\u677e\u4e38\u4eae\u543e\u76e3\u4fee\u8131\u51fa\u30b2\u30fc\u30e0\u307e\u3067\u3001\u51688\u4f01\u753b\u306e\u8a73\u7d30\u3068UKIYO GAME BAR\u767a\u8868\u3092\u7d39\u4ecb\u3002 3. GANYMEDE hosted The k4sen Con 2026 at Yoyogi National Stadium, drawing massive crowds for 8 streamer events and announcing the new UKIYO GAME BAR opening.  GANYMEDE\u4e3b\u50ac\u306ek4sen Con 2026\u304c\u9589\u5e55\u3002\u51688\u4f01\u753b\u306e\u30cf\u30a4\u30e9\u30a4\u30c8\u3068\u30b2\u30fc\u30e0\u30d0\u30fc\u65b0\u5e97\u8217\u30aa\u30fc\u30d7\u30f3\u306e\u767a\u8868\u3092\u30ec\u30dd\u30fc\u30c8\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/alive-project.com\/en\/streamer-magazine\/article\/18837\/\" \/>\n<meta property=\"og:site_name\" content=\"Streamer Magazine\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-18T08:48:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-18T08:48:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/streamer-magazine-en.lolipop.io\/wp-content\/uploads\/2026\/08\/k4sen-con-2026-closing-report-3.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1890\" \/>\n\t<meta property=\"og:image:height\" content=\"1260\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Streamer Magazine Team\" 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The k4sen Con 2026 wrapped up its two-day spectacle at Yoyogi National Stadium with 8 events, featuring SHAKA, Kato Jun'ichi, and more. GANYMEDE also announced a new gaming bar.  k4sen\u4e3b\u50ac\u306e\u5927\u578b\u30a4\u30d9\u30f3\u30c8\u304c\u4ee3\u3005\u6728\u7af6\u6280\u5834\u30672\u65e5\u9593\u958b\u50ac\u3002SHAKA\u3001\u52a0\u85e4\u7d14\u4e00\u3089\u51fa\u6f14\u306e\u51688\u4f01\u753b\u3068\u65b0\u5e97\u8217\u767a\u8868\u3092\u901f\u5831\u3002 2. From real-life GeoGuessr to a Matsumaru Ryogo escape game, The k4sen Con 2026 delivered 8 events across two days at Yoyogi, plus announced UKIYO GAME BAR.  \u30ea\u30a2\u30eb\u30b8\u30aa\u30b2\u30c3\u30b5\u30fc\u304b\u3089\u677e\u4e38\u4eae\u543e\u76e3\u4fee\u8131\u51fa\u30b2\u30fc\u30e0\u307e\u3067\u3001\u51688\u4f01\u753b\u306e\u8a73\u7d30\u3068UKIYO GAME BAR\u767a\u8868\u3092\u7d39\u4ecb\u3002 3. GANYMEDE hosted The k4sen Con 2026 at Yoyogi National Stadium, drawing massive crowds for 8 streamer events and announcing the new UKIYO GAME BAR opening.  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