I think thats the point. Last time we checked, the MC is a virgin cuck. Now he acts like some uncle who have done it all.
I wonder if the person he contacted is the guy that Sakura initially wanted to confess to.
Did the father got isekai as a Deadmell? I hope he is the final boss here since that would be poetic that MC defeats his father the second time in isekai.
Revenge is not going to be from the teacher but the girls surrounding him and depending on the skill of the author, it might get very terrible for the false accuser.
If it was the female that was bad then he would just fuck her until she goes to his side and this arc would be over in a shorter time than what it is currently.
The newest development in chapter 45 is not good. Its the stale trope of Uber guy tests our protag to show off. I nearly wished this series gets the axe and have the manga artist illustrate another project since he does draw good curves.