I don't know why the author's usually give MCs in these kinds of settings a full family when it is inevitable that they will leave them at some point. There is also the fact that the translation is undecided about whether the main character's mother is his mother, 'Auntie', grandmother, or even Mr. Liu.
The main character is also constantly giving his mother orders despite being 13 years old like "go cook", "go buy this and that", etc. Frankly, there is no world where a 13 year old kid can order their mother around even if he was the breadwinner. It also reduces his mom's intelligence and makes her seem as if she can't make even simple decisions without her son telling her what to do.
Overall, I still like the setting and the novel does have potential so I will continue reading on.