Sega NET Mahjong MJ Opens Twin Angel 20th Anniversary Cup
Sega NET Mahjong MJ is running a collaboration tournament with the Twin Angel series, the Kaitou Tenshi Twin Angel 20th Anniv. CUP, from Monday, September 14, 2026. Qualifier A runs September 14 to 20, Qualifier B runs September 21 to 27, and the finals run September 28 to October 4. Tonpuusen and three-player mahjong run in parallel. Rewards include an evolution-type SP character (UR), table backgrounds, EX backgrounds, and BGM.