The whole internet is guessing where the protagonist is from.
Modu: He is from Modu.
Shuchuan: No, in Sichuan dialect, then 6 must be from us.
. . . . . .
Xiangchu: We have different pronunciations ten miles away, and the dialects in Xiangchu Province are so smooth, so they must be from us.
Minhai: Our dialect is all encrypted, so the way he speaks so smoothly must be from us.
Wenzhou: That's just a joke. During the World War II intelligence transmission, foreign deciphering experts almost collapsed in more than 20 days. They concluded that they couldn't understand it. He must be from here.
. . . . . .
Slowly spread abroad.
Bangzi Country: He must be from our Bangzi Country. . .
Every country. . . .
Huaxia Kingdom: Get out of here, he is the descendant of the dragon.