{
  "spec_version": "3",
  "endpoint": "timeline",
  "stock_code": "5253",
  "company_name": "カバー",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/5253/",
  "api_url": "/api/5253/timeline.json",
  "updated": "2026-08-17",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/5253/",
  "source": {
    "primary": [
      "有価証券報告書"
    ],
    "extraction": "有価証券報告書の沿革を基礎に、社史・報道で補完",
    "row_field": "source"
  },
  "timeline": [
    {
      "date": "2016/6",
      "importance": 1,
      "event": "東京都渋谷区道玄坂でカバーを設立",
      "source": "有価証券報告書"
    },
    {
      "date": "2017/2",
      "importance": 2,
      "event": "VR卓球ゲーム「Ping Pong League」を発売",
      "source": "有価証券報告書"
    },
    {
      "date": "2017/9",
      "importance": 3,
      "event": "VTuberアイドル「ときのそら」の活動を開始",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/6",
      "importance": 3,
      "event": "女性VTuberグループ「hololive」を立ち上げ",
      "source": "有価証券報告書"
    },
    {
      "date": "2019/5",
      "importance": 1,
      "event": "男性VTuberグループ「HOLOSTARS」を立ち上げ",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/4",
      "importance": 1,
      "event": "インドネシアの女性VTuberグループ「hololive Indonesia」が活動を開始",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/9",
      "importance": 3,
      "event": "英語圏の女性VTuberグループ「hololive English」が活動を開始",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/2",
      "importance": 2,
      "event": "メディアミックスプロジェクト「ホロライブ・オルタナティブ」を始動",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/9",
      "importance": 2,
      "event": "公式オンラインショップ「hololive production OFFICIAL SHOP」の運用を開始",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/6",
      "importance": 1,
      "event": "英語圏の男性VTuberグループ「HOLOSTARS English」が活動を開始",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/11",
      "importance": 2,
      "event": "メタバースサービス「ホロアース」の常設ロビー空間β版を公開",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/3",
      "importance": 1,
      "event": "東京証券取引所グロース市場に株式を上場",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/6",
      "importance": 1,
      "event": "東京都港区三田に本社を移転",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/7",
      "importance": 1,
      "event": "米国で初の海外大規模コンサート「hololive English 1st Concert」を開催",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/7",
      "importance": 2,
      "event": "米国子会社COVER USA, Inc.が営業を開始",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/9",
      "importance": 2,
      "event": "「hololive OFFICIAL CARD GAME」を発売",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/4",
      "importance": 1,
      "event": "「ホロアース」Ver.1.0.0の公開と「ホロアースマーケットプレイス」を開始",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/7",
      "importance": 1,
      "event": "音楽レーベル「hololive RECORDS」を設立",
      "source": "有価証券報告書"
    },
    {
      "date": "2026/5",
      "importance": 1,
      "event": "次世代タレント育成プロジェクト「mekPark」が活動を開始",
      "source": "有価証券報告書"
    },
    {
      "date": "2026/5",
      "importance": 3,
      "event": "メタバースサービス「ホロアース」のサービス終了を発表",
      "source": "有価証券報告書"
    }
  ]
}
