If you're looking for manga similar to Kakegurui Joker (Light Novel), you might like these titles.
There are gamblers out there who even bet their lives as ante. But to secure the integrity of these life-threatening gambles, a violent and powerful organization by the name of “Kagerou” referees these games as a neutral party. Follow Baku Madarame a.k.a. Usogui (The Lie Eater) as he gambles against maniacal opponents at games – such as Escape the Abandoned Building, Old Maid, and Hangman...
Shishio Academy is a prestigious, the best school in Japan, in which only the elite of such fields as study, sports, pedigree can study. But in reality it is a school of principles of “devouring the weak by the strong”, where everything is measured by the results of the games. This is a massacre in which only a definite winner can survive. Guren is a legend of the shadow world, conquering and invincible, and at the same time he wants to start a normal, carefree life. He fails the entrance exams to the academy on purpose, therefore, following his results, he qualifies as the lowest grade F. However, after reuniting with his younger sister Karen, the situation changes dramatically. And when his sister is in danger, he shows his true abilities!
This is part 2 of Gambling Emperor Legend Zero, picking up a few years after the cliffhanger ending of part 1.
Muryou Zaizen is the wealthiest man in all of Japan; soon he will put his vast fortune on the line, gambling with the most powerful figures from across the globe. However, to guarantee his success, he seeks out the greatest gambler the country has to offer, designing a series of tests to weed out all but the most skillful and ingenious men. Among those selected for the test is Zero, a young man whose wits are matched only by his courage. But with fiendish tricks and deadly trials standing between him and selection, can Zero become the King that Zaizen seeks?
Kaiji and Kazuya face off against each other in a high-stakes game of "One Poker," a modified version of standard poker.
The story is set at Shishidou, a school attended by rich and elite people. Tomu Shirasagi, a gambler, is a mysterious new transfer student who has come from a public school (instead of a prestigious private one) and faces the elitist environment. There, he declares a challenge toward any student and claims he will bring to the ruin the whole school through a series of gambling matches.
Lazarus "Penny" Kind is a notorious gambler. Knowing very well the ins and outs of the bet, he tries his best to break even - after all, making a bunch of money in one gamble would bankrupt the casino and make him a prime target for criminals and thieves. One night, while idly betting on the roulette wheel, Lazarus suddenly receives a large about of winnings. Not wanting to become the center of attention, he asks the casino to quickly sell him the most expensive item they have. The casino obliges, giving him a mute slave by the name of Lyla the next day.