ergu receives a challenge letter from the red dragons clan. The challenge letter is for 100 crayfish tickets and the opponent is a boy who works in a barber shop next to a high school. The boy accepts the challenge and the boss of the red dragon clan approaches to defeat him. The boss tells the boy that he will let him be the "apple of his eye" and the boy accepts. He then eats the boy who is near the door. He is surprised to find that the challenge letter has been written by a person who is not a member of the gang. He also finds that the paper is very cheap and that one person is writing the entire letter. The man who receives the letter is also surprised to learn that the opponent has already been defeated. When the man who received the challenge calls to the cash register, the man tells him that he has already defeated the opponent. The cash register man then tells the man that he can buy the tickets for 99 percent off the next day.