This shit got axed likely because the author was competent enough to make readers care about him being a MAX LEVEL SAGE yet the first thing he does after becoming a japanese is run away from all females.
So even if it has an harem tag it would offend the japanese reader for rejecting the harem...
I know that from the raws.
The nurse is angry her fuck boi left the school and resents the main heroine.
The NTR villain of this story successfully took the stuco prez and vice presi because