Sega Net Mahjong MJ streamed by Hakui Koyori video list

A home version of Sega's MJ series of arcade mahjong games for PC and mobile devices, released in 2013 in Japan. Notable features include a gacha system for acquiring new characters, music, etc. and match commentary. It was later translated and released in North America for mobile devices in 2020, although this version had its online service shut down less than a year later.