Based on characters from the free to play online mahjong game; Mahjong Soul; Janatama Pong is chibi comedy following the lives and random strange occurences that befall the inhabitants of the mahjong soul shrine.

E-Rantel, the capital city of the newly established Sorcerer Kingdom, suffers from a dire shortage of goods. Once a prosperous city known for its trade, it now faces a crisis due to its caution—or even fear—of its king, Ainz Ooal Gown. To make amends, Ainz sends Albedo to the city as a diplomatic envoy. Meanwhile, the cardinals of the Slane Theocracy discuss how to retaliate against Ainz after his attack crippled the Re-Estize Kingdom's army, plotting for the Baharuth Empire to take over the Sorcerer Kingdom. However, when Emperor Jircniv Rune Farlord El Nix arranges a meeting with the Theocracy's messengers at a colosseum, he is confronted by none other than Ainz himself. With their secret gathering now out in the open, the emperor and his guests learn that Ainz has challenged the Warrior King, the empire's greatest fighter, to a duel. With Ainz's motivations beyond his comprehension, Jircniv can do nothing but watch as humanity's future changes before his very eyes. [Written by MAL Rewrite]

"I can see it. The way I can win..." "This time I will beat him. So come at me again... accept! 'Bloom, gambler of souls!'" In New Kyoto, a city governed by the "King," one's worth is determined by his or her strength in the Build Divide trading card game. Rumors swirl about New Kyoto and its King. "If you defeat the King in Build Divide, any wish will be fulfilled." And in order to challenge the King, one must participate in the TCG battle known as Rebuild, and the "Key" must be completed. Everyone has a wish they long to have fulfilled. Teruto Kurabe, a boy who vows to take down the King, and Sakura Banka, the mysterious girl who guides him, throw themselves into the Rebuild battle. With New Kyoto as the stage, the curtain rises and the battle begins for Teruto and his friends! (Source: MAL News)

In the ever-growing world of Duel Monsters, as duelists improve their skills and rise up the ranks, duels become increasingly complex. By adhering to strict rules, in addition to using and learning proven strategies, one can develop into a strong duelist. However, as a boy who loves inventions and discovering new possibilities, elementary school student Yuuga Oudou finds the current way of dueling predictable and rigid—in other words, boring. Thus, he aims to craft a new path in dueling with his exhilarating new invention: Rush Duels. His ambition soon catches the attention of Tatsuhisa Kamijou, a fellow elementary school student, who brings him to a mysterious place in an attempt to discover the potential of the new system. While Yuuga aims to implement Rush Duels as the new dueling standard and overthrow the conventions of the game, he opens the door to his ultimate goal—to make dueling exciting again. [Written by MAL Rewrite]