{"rewrite":{"id":"r_c88994721a9b49b2a0c9abbc","clusterId":"c_cdc907641d774ed2ac80e44e","slug":"250-itasha-and-itabikes-gather-at-arc-championship-2026-in-shiga","model":"deepseek-v4-flash","headline":"250 Itasha and Itabikes Gather at Arc Championship 2026 in Shiga","summary":"The Arc Championship 2026 itasha event was held on May 24 at Okuibuki Motor Park in Maibara City, Shiga Prefecture, drawing 250 fan-decorated vehicles. Concurrent events Aiste 2nd and Atabui 2026, themed around VTubers and the Idolmaster series, also took place at the venue.","whyItMatters":"The event shows the continued scale and cross-fandom draw of Japanese itasha culture, with 250 vehicles covering franchises from Uma Musume to Hololive.","webCardHtml":"\u003cp\u003eThe annual itasha gathering Arc Championship returned to Okuibuki Motor Park on May 24, filling the parking lot with 250 cars and bikes decorated with anime, game, and VTuber motifs. The event ran alongside two themed side events: Aiste 2nd, focused on VTubers, and Atabui 2026, centered on the Idolmaster series. The park, a ski area in winter, becomes a drift-driving venue in summer.\u003c/p\u003e","blueskyPost":"The Arc Championship 2026 drew 250 itasha and itabikes, with concurrent VTuber and Idolmaster events expanding the crossover appeal beyond car culture.","twitterPost":"Arc Championship 2026 drew 250 itasha and itabikes, with concurrent VTuber and Idolmaster events expanding the crossover appeal.","threadsPost":"Arc Championship 2026 drew 250 itasha and itabikes to Okuibuki Motor Park. Concurrent VTuber event Aiste 2nd and Idolmaster event Atabui 2026 expanded the crossover appeal beyond car culture, blending anime, game, and VTuber fandoms in a single venue.","newsletterBlurb":"Arc Championship 2026 drew 250 fan-decorated vehicles to Okuibuki Motor Park in Shiga on May 24. The event featured themes from Uma Musume to Hololive, with concurrent VTuber and Idolmaster side events.","attributionJson":"[{\"source\":\"Inside\",\"url\":\"https://www.inside-games.jp/article/2026/05/30/182155.html\",\"title\":\"250 Itasha and Itabikes, Including VTuber, 'Honkai', and 'Uma Musume' Themes, Gather! A Look at the Love-Filled Okuibuki [ARC Championship 2026 Photo Report]\"}]","lintFlagsJson":"[]","lintHits":0,"costUsd":0,"inputTokens":4383,"outputTokens":562,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1780142553,"createdAt":"2026-05-30T12:02:28.000Z","publishedAt":"2026-05-30T12:15:41.000Z","updatedAt":"2026-05-30T12:15:41.000Z"},"cluster":{"id":"c_cdc907641d774ed2ac80e44e","canonicalTitle":"VTuberや『崩壊』『ウマ娘』などの痛車＆痛バイクが総勢250台集結！愛がたっぷり詰まった奥伊吹を取材【ARCChampionship 2026フォトレポ】","representativeArticleId":"a_0902a519ec1ffcf43fffe4da","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"Honkai\",\"Uma Musume: Pretty Derby\"],\"studios\":[],\"people\":[],\"type\":\"event\",\"domain\":\"vtuber\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-05-30T10:00:04.000Z","lastSeenAt":"2026-05-30T10:00:04.000Z","updatedAt":"2026-05-30T12:15:41.000Z"},"attribution":[{"source":"Inside","url":"https://www.inside-games.jp/article/2026/05/30/182155.html","title":"VTuberや『崩壊』『ウマ娘』などの痛車＆痛バイクが総勢250台集結！愛がたっぷり詰まった奥伊吹を取材【ARCChampionship 2026フォトレポ】"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["Honkai","Uma Musume: Pretty Derby"],"studios":[],"people":[],"type":"event","domain":"vtuber","is_roundup":false},"keyFacts":["250 fan-decorated vehicles gathered at the Arc Championship 2026 itasha event on May 24 at Okuibuki Motor Park in Maibara City, Shiga Prefecture.","The event included two concurrent side events: Aiste 2nd, focused on VTubers, and Atabui 2026, centered on the Idolmaster series.","Okuibuki Motor Park, a ski area in winter, becomes a drift-driving venue in summer."]}