If you're looking for manga similar to Saki: Episode of Side A Specials, you might like these titles.
The recently enrolled high schoolers Sena and Shiori are keen on joining the Mahjong Club, belonging to their senior friends: Natsume and Komachi. However! The Mahjong Club is at risk of disbanding! ...Reason being? That no one there can play mahjong!! Will they be able to remember the rules of the game before the club becomes disbanded!?
An adept mahjong player is coerced into playing in a high-stakes, life or death gambling den.
Tenma is a Middle Schooler who loves playing Mahjong. He doesn't know exactly why, but the freedom it brings him fills his chest with pride. One day, his friends run into some trouble with University Students from Kantou, and it's up to Tenma to save the day!