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

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"Double Snake-san… Do you want to become a Spiritual Ability user?" Isamu couldn't help but ask.

"Of course! As long as I can become a Spiritual Ability user, I'll…" The snake-masked woman suddenly stopped in the middle of her words.

"First of all, I need to emphasize that all of this is only a guess," Seiji spoke in a serious tone. "Right now, it's impossible to know whether the Mask of Sin will become strong enough to be used in real life if you power it up.

"Not only that, even if this is real, you have to carefully consider whether it's worth it to risk your life for spiritual powers.

"Failure will equal death! Not death in a game, but real death!

"And even if it's as you suppose, that you can successfully receive supernatural powers, will the crow-masked boy and his organization really just congratulate you and let you go? I highly doubt that.

This all feels too real!