He is 100% going back to the professor, without smashing or getting executed, this is the author bending backwards and screaming at us "yes he is a lil piece of shit, but he actually went to a country full of naked woman, and not only didn't cheat on professor, he never stopped thinking of her, can you forgive him already?"
And to that author, i say no, fuck that lil shit, and any attempts of a redemption arc, let his dick get shopped off