{"rewrite":{"id":"r_d0343d79a3ee9a10f21b049d","clusterId":"c_b69e387a1e1e9845538a90e2","slug":"seganet-mahjong-mj-and-sumasuro-bakemonogatari-launch-collaboration-tournament","model":"deepseek-v4-flash","headline":"SegaNET Mahjong MJ and Sumasuro Bakemonogatari Launch Collaboration Tournament","summary":"Sega has started a collaboration event between its online mahjong game SegaNET Mahjong MJ and the mobile puzzle game Sumasuro Bakemonogatari. The Sumasuro Bakemonogatari CUP national tournament runs from July 13 to August 2, 2026, across app and arcade versions, with collaboration items including characters, backgrounds, and win animations as rewards.","whyItMatters":"The event uses Sega's own Bakemonogatari mobile game to drive competitive play in its mahjong title, a standard cross-promotion strategy for live-service games.","webCardHtml":"\u003cp\u003eThe Sumasuro Bakemonogatari CUP offers two tournament categories-East Wind Round and Three-Player-with players competing for total score across preliminaries and finals. Rewards include evolutionary SP character (UR) Nadeko Sengoku 3, six table backgrounds, three EX backgrounds, and three win buttons. A separate gacha features five more evolutionary SP characters including Hitagi Senjougahara 3 and Tsubasa Hanekawa 3, along with 69 total collaboration items available for a limited time.\u003c/p\u003e\u003cp\u003eThe collaboration runs on both the smartphone/PC app version and the arcade version of SegaNET Mahjong MJ, with the tournament period spanning July 13 to August 2, 2026. Sega is leveraging its own IP portfolio to keep its mahjong player base engaged through seasonal events.\u003c/p\u003e","blueskyPost":"SegaNET Mahjong MJ is running a Sumasuro Bakemonogatari collaboration tournament through August 2. Rewards include character skins, table backgrounds, and win animations. The event covers both app and arcade versions.","twitterPost":"SegaNET Mahjong MJ x Sumasuro Bakemonogatari collaboration tournament is live now through August 2. Compete for rewards like Nadeko Sengoku 3 and Hitagi Senjougahara 3. App and arcade versions both participate.","threadsPost":null,"newsletterBlurb":"Sega has launched a cross-promotion between SegaNET Mahjong MJ and Sumasuro Bakemonogatari. The Sumasuro Bakemonogatari CUP national tournament runs July 13 to August 2, offering collaboration items as rewards. A limited gacha with 69 items is also available.","attributionJson":"[{\"source\":\"4Gamer.net\",\"url\":\"https://www.4gamer.net/games/226/G022697/20260713034/\",\"title\":\"SegaNET Mahjong MJ Collaborates with Sumasuro Bakemonogatari, National Tournament Also Underway\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4481,"outputTokens":1417,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1783997976,"createdAt":"2026-07-14T02:49:04.000Z","publishedAt":"2026-07-14T02:52:28.000Z","updatedAt":"2026-07-14T02:49:04.000Z"},"cluster":{"id":"c_b69e387a1e1e9845538a90e2","canonicalTitle":"「セガNET麻雀 MJ」，スマスロ 化物語がコラボ。全国大会も開催中","representativeArticleId":"a_de643c24998645d95162c0e2","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"SegaNET Mahjong MJ\",\"Smart Slot Bakemonogatari\"],\"studios\":[],\"people\":[],\"type\":\"announcement\",\"domain\":\"games\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-07-13T09:29:46.000Z","lastSeenAt":"2026-07-13T09:29:46.000Z","updatedAt":"2026-07-14T02:52:29.000Z"},"attribution":[{"source":"4Gamer.net","url":"https://www.4gamer.net/games/226/G022697/20260713034/","title":"「セガNET麻雀 MJ」，スマスロ 化物語がコラボ。全国大会も開催中"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["SegaNET Mahjong MJ","Smart Slot Bakemonogatari"],"studios":[],"people":[],"type":"announcement","domain":"games","is_roundup":false},"keyFacts":null}