Well, sometimes you can look on specific manga-sharing platforms, but keep in mind that not all of them have the legal right to distribute the raw version. Also, libraries or bookstores in Japan might have it, but that could be a bit challenging to access if you're not in the country.
The raw version of 'Nihonjin no Shiranai Nihongo' manga could potentially be found on some online manga communities. However, make sure to check the legality and reliability of the source. Sometimes, even social media groups related to manga might have leads, but again, be cautious about the authenticity and legality.
The best chapter pointer here is Chapter 31, "Master, I've been having some bad luck lately!". It opens with Before Shen Lan had reached the backyard, she already heard the sounds of... and closes on After staying in the study and reading for another day, she finally....
Chapter 687, "How Did She Die Again?", is the clearest early answer because it turns Protagonist Group's situation into a concrete plot event. It opens with In the process of pursuing the Protagonist Group, she gradually came... and closes on I'm busy here;
Chapter 827, "Mystical Event Investigation Bureau", is the clearest early answer because it turns Mr's situation into a concrete plot event. It opens with Jiang Li's words indeed make sense. and closes on Besides, their original intention to construct the Seven Star Feng....
Chapter 838, "Just Call Me Grandpa", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. It opens with Gu Qiang's expression was subtle as well. and closes on It's so difficult to finally meet you." Jiang Li stood up,....
Chapter 915, "Take out 1 million!", is the clearest early answer because it turns Meng Wanzhi's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Hong Pei's expression was very unpleasant. and follows through with Why would he need so much money?.
Chapter 753, "Final Judgment", is the clearest early answer because it turns Shu Yan's situation into a concrete plot event. The chapter turns that into something concrete by moving from In the decade she had been with Fang Wenzhe, Shu Yan never thought...
Chapter 799, "You Bad Woman!", is the clearest early answer because it turns Jiang Mingchuan's situation into a concrete plot event. The chapter gives readers a real answer by opening on Jiang Yan irritably covered one ear and complained to Jiang Li, "Why...
The best chapter pointer here is Chapter 22, "Number 7203". It opens with Hearing this, Su Yinwan looked at Shang Shaojing with a face full of... and closes on Jiang Li's righteousness temporarily shut Jiang Yan up, but after a few....
Chapter 610, "Building a House?!", is the clearest early answer because it turns Yu Li's situation into a concrete plot event. The chapter turns that into something concrete by moving from Therefore, Jiang Yan became even more entitled and bossily ordered...
Chapter 870, "She is My Ex-Girlfriend", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. The chapter gives readers a real answer by opening on Huo Shan couldn't believe it and covered her mouth in shock.