I have a feeling the new teacher is just the MC's brother or something, and this is just a misunderstanding. I mean they sort of look alike, and the teacher did thank the MC for helping him to be able to get that job.
After reading ahead, I just find it funny now how the author is just trying to trick us into thinking the brother is actually sus by having him smile maniacally every few panels
I have a feeling the new teacher is just the MC's brother or something, and this is just a misunderstanding. I mean they sort of look alike, and the teacher did thank the MC for helping him to be able to get that job.