This is a male reader insert but if you're a female then make a male name for yourself~
There is a bit of a run on sentence in here since this whole paragraph has only three sentences but the story is pretty good so far
i'm 22 cm taller than that height... i almost consided not reader this any more because to the height, but i will go on
What is 142cm in feet and inches? Sorry, I don't use the stupid metric system. I don't get how you guys are able to use it.
I find it weird that on the day he registered he went straight to class and the teacher was even informed that he was coming.
In Japan you start High school at age 16 (maybe 15) and in other places around 14-15, also why so short? just wondering.
You don't start high school at the age of 12 it's normally 14 13 at the least