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Club

QT DIG∞

QT DIG∞ is a Fukuoka-based Japanese multi-title esports club, operated directly by the telecommunications company QTnet since April 2026.

Abbreviation: QTDOfficial website
QT DIG∞ official club logo.
QT DIG∞ official club logo. · QT DIG∞ logo by 株式会社戦国, sourced from the club's official site
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Updated November 1, 2026

Commercial snapshot

Founded

2017

The club dates its history to the February 2017 launch of the Sengoku Gaming team.[1]

Based in

Fukuoka, Japan

The team base moved to Fukuoka City in January 2020 and its home venue sits in Tenjin.[1]

Signature achievement

VALORANT Challengers Japan 2026 Season Finals champion

First Challengers Japan title for the team; beat REJECT 3-2 in the grand final on 26 July 2026 and qualified for VCT Pacific Stage 2 Play-Ins.

Ownership

QTnet esports division

Sengoku Co., Ltd. was absorbed by QTnet on 1 April 2026 and all team operations transferred to the carrier.[1][2]

Current financials

Not publicly disclosed

QTnet's reviewed disclosures do not break out the esports business's revenue, cost or profitability.

Category

Public disclosure

Partner

Not publicly disclosed

Commercial note

No current club-level partner list was confirmed in the available sources.

Overview

QT DIG∞ is a competitive club whose ownership structure is its main commercial differentiator: it is operated directly by QTnet, a regional telecommunications carrier, rather than by a standalone esports company. The April 2026 absorption removed the operating-company layer, so team assets, home venue and related businesses sit inside one corporate group.[1][2]

The club’s non-competitive assets broaden the activation surface beyond roster exposure. QTnet opened the esports Challenger’s Park home venue in Tenjin in 2021, the club added a gaming house in 2023 and sports schools in Nagasaki and Miyojō in 2024, and its own site describes education and PC-sales activity alongside competition.[1][4]

Competitive credibility is recent and title-specific. The VALORANT Challengers Japan 2026 Season Finals title is the club’s first. Its supplementary prize was the right to an original song written by the tournament’s official cheering supporter, T.N.T; QTnet announced the resulting club theme song, “TAKE OVER,” on 25 September. The release confirms the activation, while the song’s recording and publishing rights remain undisclosed.[3][5] Audience scale is concentrated on X at 134,181 followers, with much smaller YouTube and Instagram channels.

References11
  1. [1]QT DIG∞ — 私たちについて (About)
  2. [2]QT DIG∞ — 株式会社戦国の吸収合併について
  3. [3]Riot Games — VALORANT Challengers Japan 2026 Season Finals result
  4. [4]Wikipedia (Japanese) — QT DIG∞
  5. [5]QTnet — QT DIG∞ theme song release
  6. [6]日本最大級のeスポーツ大会「VALORANT Challengers Japan 2026 Season Finals」、「QT DIG∞」が悲願の初優勝! — VALORANT Challengers Japan 2026 実行委員会
  7. [7]QT DIG∞ (@QT_DIG) profile — X
  8. [8]QT DIG∞ YouTube channel (@QT_DIG) — YouTube
  9. [9]QT DIG∞ (@qtdig_esports.gram) profile — Instagram
  10. [10]QT DIG∞ オフィシャルサイト — QT DIG∞
  11. [11]Qtdig-logo-2025.svg — Wikimedia Commons; original work by QT DIG∞

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