The villains in this story are beyond dumb, especially the Principal and Vice-P. Unlike the students those two can clearly observe the MC and his achievements.
I think the guy is from one of the three kings faction. At least his name sounds similiar to the one mentioned in chapter 27. Name difference could be because different translators.
Author: What if I draw a story with a big male:female ratio?
Editor: We already have those.
Author: And what if we make it Isekai?
Editor: I want the first chapter next week!