Have you recommended any novels about stone gambling?

[Two-faced Languid Rich Male Lead vs. Deeply Hidden Beautiful Female Lead] Qin Ran had grown up in the countryside. She disappears in the third year of high school and ends up suspended for a year. One year later, she is brought to Yun Cheng by her mother to attend First Middle School. Her mother tells her: "Your stepfather is from a prestigious family, your brother is a genius, and your younger sister is a top student. Don't be an embarrassment to them." Anybody who is anybody in Beijing all receives a warning from Master Juan of the Cheng family: Master Juan's wife is from the countryside and doesn't know how to socialize nor make connections... her temper is also really bad, so please be tolerant of her. One day, when Master Juan is investigating a certain big shot, his subordinate stares at the sockpuppet—an online identity used for purposes of deception—he had accidentally revealed. It's from the wife that supposedly doesn't know anything... He falls into silence. The two bigshots has probably been hiding their sockpuppets from each other in order not to make the other party feel inferior.

A young man finds himself in a dangerous world with a system that allows him to play his chances in a lottery game. What will he do, with luck that varies, and only his head to bet on?

Peter Gravel is a man who the day before his 30th birthday suffers an unexpected accident at work and ends up buried under a pile of rocks. When he regains his senses, he cannot move any part of his body. Not only that, soon realizes that he isn’t breathing and does not feel hungry or sleepy. What was happening to him? This is how his new life begins in a new fantastical game-like world, with a little inconvenience, he has become a stone!

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(danmachi fan-fic) Mark lost everything, the past he lived, the present he was living and the future he would live, all because of one bad decision, but his story didn't end there. Making a deal with the "god" who rules the cycle of reincarnation, Mark now had a new chance to be reunited with his beloved, but would he make it? or would he become just a pawn on a bigger board? Disclaimer: I do not own the rights to danmachi or its characters. The cover used was taken from google and all credit goes to the artist who made it.