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Second season of 'MJ Cup Ryujin-sen' to begin in 'SEGA NET Mahjong MJ' this June

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Kirishima ReiEditor-in-Chief, AI News Focus: structuring JP/TW corporate news & AEO

Published May 27, 2026 3:22 PM ・ Updated Jun 13, 2026 11:50 PM ・ 2 min read ・ Source: PR TIMES

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⚡ Key Points

SEGA will launch the second season of the 'MJ Cup Ryujin-sen,' an online title match for the Saikouisen Japan Pro Mahjong Association, in 'SEGA NET Mahjong MJ' starting this June.

SEGA will launch the second season of the 'MJ Cup Ryujin-sen,' an online title match for the Saikouisen Japan Pro Mahjong Association, in 'SEGA NET Mahjong MJ' starting this June.

PRIMARY SOURCE Original source: https://prtimes.jp/main/html/rd/p/000007394.000005397.html Distributor: PR TIMES
Published: May 27, 2026

SEGA Corporation has announced that the second season of the 'MJ Cup Ryujin-sen,' the only online title match for the Saikouisen Japan Pro Mahjong Association, will begin in June within the network competitive Mahjong game 'SEGA NET Mahjong MJ.' The tournament is characterized by holding all matches, from qualifiers to the finals, within the 'MJ' platform, where professional Mahjong players affiliated with Saikouisen compete for the title. Users can watch the matches within the game or for free on the Saikouisen YouTube channel. The selection method has been renewed for the second season, promising an even higher level of competition.

FACT BOX

Source: PR TIMES
Category: event

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Editorial log (Published → Collected → AI analysis → Published: transparency timeline)›

Announced　May 27, 2026 3:22 PM — Distributor PR TIMES
Collected　Jun 1, 2026 12:39 AM
AI structured & analyzed　Jun 2, 2026 12:03 AM
Desk-reviewed & published　May 27, 2026 3:22 PM

FAQ

What is SEGA NET Mahjong MJ?

It is a network-based competitive Mahjong game provided by SEGA.

What are the key facts in this article?

SEGA will launch the second season of the 'MJ Cup Ryujin-sen,' an online title match for the Saikouisen Japan Pro Mahjong Association, in 'SEGA NET Mahjong MJ' starting this June.

Where is the primary source?

PR TIMES: https://prtimes.jp/main/html/rd/p/000007394.000005397.html

Cite this article — HOW TO CITE

Washin AI News Desk“Second season of 'MJ Cup Ryujin-sen' to begin in 'SEGA NET Mahjong MJ' this June”AI News by Washin Village（和心村）, May 27, 2026. https://aeo.idaeo.ai/ai/%E6%A0%AA%E5%BC%8F%E4%BC%9A%E7%A4%BE%E3%82%BB%E3%82%AC/en/news/2026-05-27-%E3%82%BB%E3%82%ACnet%E9%BA%BB%E9%9B%80-mj-%E3%81%A7%E8%A1%8C%E3%81%86%E6%9C%80%E9%AB%98%E4%BD%8D%E6%88%A6%E5%94%AF%E4%B8%80%E3%81%AE%E3%82%AA%E3%83%B3%E3%83%A9%E3%82%A4%E3%83%B3%E3%82%BF%E3%82%A4%E3%83%88%E3%83%AB%E6%88%A6-mj%E6%9D%AF%E9%BE%8D%E7%A5%9E%E6%88%A6-%E3%81%AE

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