For those who wants to read the manga version, we can read at : https://hachimanga.org/read/%E8%BB%A2%E7%94%9F%E3%81%97%E3%81%BE%E3%81%97%E3%81%A6%E3%80%81%E7%8F%BE%E5%9C%A8%E3%81%AF%E4%BE%8D%E5%A5%B3%E3%81%A7%E3%81%94%E3%81%96%E3%81%84%E3%81%BE%E3%81%99%E3%80%82-raw/
But it's in the Japanese since it's the raw and there's more chapters than here
Y'all can read the entire chapter 100 here:
https://demonicscans.org/title/Academy%2527s-Undercover-Professor/chapter/100/1
But it's better if you have an ad block or else ads will pop out every seconds <3