SEGA NET Mahjong MJ Becomes Official App for National High School Mahjong Championship#Japan#Tokyo#Sega_NET_Mahjong#High_School_Mahjong#Mahjong_Championship
SEGA NET Mahjong MJ Becomes Official App for National High School Mahjong Championship
The SEGA NET Mahjong MJ app has been selected as the official application for the 2nd National High School Mahjong Championship, enhancing competitive play for students.
third-news.com
May 22, 2026 at 6:51 AM
SEGA NET Mahjong MJ Becomes Official App for National High School Mahjong Championship#Japan#Tokyo#Sega_NET_Mahjong#High_School_Mahjong#Mahjong_Championship