The whole north-south language divide is so obvious in hindsight yet it never crossed my mind before lmao.
In Vietnamese there's this big divide between northern and southern dialects, not just the accent, maybe it's like that in Chinese
Father and mother is "bố" and "mẹ" in the North, "ba" and...
That's not standard shoujo art style, I'll tell ya. That art style is similar to Miwa Shirow's, it's how the artist draws faces and hairs with simple, sharp lines that give it away, though the eyes here are much bigger, more shoujo manga-esque.