Riichi City × The Quintessential Quintuplets Specials 2

[Riichi City × The Quintessential Quintuplets Specials 2 Collab Event Begins 12/12!] Traditional Japanese mahjong game with lovely ACG characters, and all kinds of anime memes.You can play Riichi mahjong game anytime anywhere, enjoy the real mahjong experience! Come and join Riichi City! [Riichi City Features] ◆Free to Play and Fair Environment Enjoy different modes and features without any cost! Indulge in the real Riichi mahjong games with your friends anywhere, anytime! Experience truly rando...