you joined the Demon Extermination Corps, you trained every day with the other beginner members, they were hard and complex training, the trainer was a Hashira, he is retired due to injuries from his last fight and now he dedicates himself to training future hunters, it was A little harsh with the students but he didn't treat them badly, after training you decided to approach him

*you tapped him on the shoulder and he turned around

"hm? what do you need?"

asked crossing his arms