Touhai: Ura Rate Mahjong Touhai Roku  Play Trailer

凍牌〜裏レート麻雀闘牌録〜, Touhai, 凍牌～裏レート麻雀闘牌録～, Tohai: Ura Rate Mahjong Tohai Roku, Tohai, Frozen Mahjong Tiles: Underground Mahjong Battle Record

In the city, there's an incredibly skilled and ruthless mahjong player who is just a teenager at school. despite being quiet, kei possesses exceptional observation skills, unyielding determination, and extensive experience in the game. he manages to thrive amidst powerful, wealthy, and dangerous individuals. currently, kei is secretly protecting amina, an illegal immigrant he's taken under his wing. during the day, he skips class, while at night, he plays high-stakes mahjong in search of worthy opponents.