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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'He's truly so chuunibyou,' Seiji thought to himself.

"Can I ask you why you think I'm a 'divine envoy'?"

"You're currently using a divine power. I can see it," Voidfire replied.

'He can see that I'm using the White Sakura Goddess's power… I understand now. That's why he mistakenly thought that I wasn't human when he saw me?'

"Let me ask again. Why do you think that I'm not human?" Seiji decided to directly ask.

"You have inhuman qualities. I can see right through them," Voidfire replied in his raspy voice.

Then, his "flame" contracted completely and formed into a robe. Voidfire's actual physical appearance could finally be seen.

He appeared to be a youth with short orange hair and a pale face. He had bright red eyes and incredibly dark circles under his eyes, making him look rather sickly.

You actually don't need to be so kind