Lucky You, in Japan! And amazing that you can study in Japanees
At least they have some good knowledge of tooling and advanced machinery. And they might be laughing their asses off

, every time you make a mistake. But at least you have a knowledgeable support team. And as soon as you get used to their Military discipline and Safety checks they are quite OK to work with. (My experience is coming from arriving there a lot with chemical tankers. And I must say it was a pleasure to see how they had everything arranged and lined up. My favorite harbors anytime!)
Here in Thailand they hardly know the word precision (They are mostly pre-historical Blacksmiths if you ask me. Most of the time at least!)
And As I am brand new to CNC same or even worse than the author of this tread

(Still have to buy me one cheap mini unit to try it out) I will have no support whatsoever from this community at least! I hope I’m wrong on that.
No Idea how to aquire a cheap CNC Mini router / milling unit here in Asia?