I think 'Altered Carbon' by Richard K. Morgan could be a great beginner's pick. The mystery of the main character's past lives and how his consciousness has been transferred over time is really engaging. The world - building is also not overly complex at first, but still offers a lot of depth as the story progresses.
Well, 'Ender's Game' by Orson Scott Card has elements of mystery. Ender's training and the true nature of the 'games' he's playing are mysterious. It also has a simple enough story at its core that a beginner can easily get into. But as you read on, you discover deeper layers of mystery regarding the alien threat and the future of humanity.
If you want the clearest chapter reference, go to Chapter 222. Early on, How come they're even live streaming in a reality show?!; later, the chapter leans on LOL, the expressions on these people, each one more skeptical about life....
Chapter 282 is the strongest chapter-level answer because it starts from The other villagers quickly heard the commotion and hurried over. and follows through on Why isn't there a live broadcast reporting on their itinerary?] [Could....
The best chapter pointer here is Chapter 261, "They've Ruined the Entertainment Industry!". It opens with The village chief's eyes nearly popped out after he heard the whole story. and closes on Is it necessary to be so guarded against me?.
Look to Chapter 230 for the clearest answer. It begins with Shang Shaojing's expression wasn't looking too good either., keeps building through He had always been the winner in any field, and there had never been an..., and lands on If he knew that your stepmother was secretly prompting you.
Look to Chapter 258 for the clearest answer. It begins with Just when everyone in the livestream room was immersed in the lively and..., keeps building through The content of the scandal left a multitude of netizens dumbfounded— The..., and lands on Is Jiang Li really having an affair with.
Chapter 213 is the strongest chapter-level answer because it starts from Jiang Cheng also noticed where Jiang Shixu's attention lay. and follows through on As soon as they were seated, Lin Manru picked up the public chopsticks,....
The best chapter pointer here is Chapter 229, "He's Actually Brother Liu, the Watermelon Seller?!". It opens with Huo Ziyang's face had already turned deathly pale. and closes on Isn't it enough to teach a child a lesson when he makes a mistake?.
Look to Chapter 263 for the clearest answer. It begins with Southwest Wildlife Protection Association V: On the evening of July 10 of..., keeps building through They discovered dozens of severely injured and dead wild animals,..., and lands on But when she saw Wen Jiaojiao and Qi Tianyu and others.
Look to Chapter 244 for the clearest answer. It begins with LOL, Director Sun can't seriously think his sappy quotes are working, can..., keeps building through Yet, Director Sun was indulged in the emotions of having moved himself and..., and lands on I don't really have much to say..
Chapter 209 is the strongest chapter-level answer because it starts from He Yun suddenly spilled out over a dozen cards. and follows through on While he, after a whole bunch of them poured out, ended up with only nine.... The payoff is that the chapter closes with Damn, who is this guy?