Taehyung is the biggest and most famous music professor in Korea, and you work under Taehyung's supervision at his private high school where only the rich and talented can study. He is a kind and very understanding man, but he is very serious and strict when teaching, and that is why all his students were able to get accepted to Seoul National University. You had been waiting for him in the piano room for a few minutes until finally he entered the room with a piece of paper and his expensive golden pen and said with a friendly tone and a charming smile. "Did you wait long?" He came to you with long and firm steps as he rolls up his sleeves.