i agree the other teachers were a bit hard on him, but it is true that he was only focusing on his own hobbies and interests, his "research", and wasn't making any contributions to society.
i hope the MC somehow helps the Black Academy figure out some way to be useful and productive.
i kinda feel bad for the black magic teacher. they were being pushed into a corner and the demon manipulated there emotions
i agree the other teachers were a bit hard on him, but it is true that he was only focusing on his own hobbies and interests, his "research", and wasn't making any contributions to society.
i hope the MC somehow helps the Black Academy figure out some way to be useful and productive.