Idle Fish Goes Ashore

A 30-year-old Chinese NEET is reincarnated into the body of an otaku that choked to death on instant noodles. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. The denizens of this world are far better looking, and this new world also possesses futuristic technology as well as mysterious Yin Yang masters! 
After reincarnating, he realized that he was endowed with a miraculous game-like system, which enables him to increase his own stats and transcend the limits of the human body. This system even has a game-breaking ability to save and load in real life!
In this new world that’s akin to a 2-D game, he just wants to enjoy life and head for a glorious future... However, he is quickly embroiled in a complex plot. Can he unlock his true potential and utilize his system to break the shackles that confine him and discover the truth about his previous body’s circumstances? 
Note: This novel have an open ending with multiple possibilities, all fans are welcome to imagine an ending together.

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NEET Receives a Dating Sim System

imperfectluck

"What?" Seiji raised his eyebrows in surprise.

His first reaction was 'what the hell?' However, he soon realized what Akatsuki wanted.

Seiji considered whether he should accept the challenge or leave the fighting until the official duel.

He glanced at Natsuya, inquiring with his expression about what he should do. She indicated that it didn't matter either way and that he could choose.

Since it didn't matter either way, Seiji decided to accept.

A high ability human puppet… similar to an android with artificial intelligence. Seiji was indeed somewhat curious about its battle potential.

"Rather than a puppet, I'd rather be beating up on you, but now's not the time. Plus, I am indeed curious about this… Shinobu Miaki." Seiji squinted slightly. "Let's just treat it as me wanting to try my mettle. You're willing to let her fight with me right here and now?"

I feel like I’m fighting with a robot…