:D I think it would be fun, depending on how you went about it! Can you put a bit about your 'vague idea'?
Well, a year has passed and the demons in Gehenna, satan's followers, have caught on with the idea of training institutes/academys resulting in more serious chaos in Assiah. The exorcists have noticed and are taking action. There would also be a new batch of freshmen to train so OCs can join in.