Sega NET Mahjong 'MJ' Teams Up with 'Oreimo' for Exciting Tournament The collaboration between Sega's Mahjong game 'MJ' and the anime 'Oreimo' features a nationwide tournament, offering exclusive in-game items and challenges!

Sega NET Mahjong 'MJ' Teams Up with 'Oreimo' for Exciting Tournament #Japan #なし #Anime_Collaboration #Sega_Mahjong #Oreimo