Main character: salesman

Back Story: He is a brilliant man about 20 years old. He knows exactly how to arouse customers' attention within the shortest time. Also, he is a versatile man. He would like to show off his little tricks when he persuades someone to buy his products.

Main character: Mr. X

Mr. X, the man is persuaded to buy the guitar.

Back Story: He is about 35 years old. He is single living in a small but neat house. Also, he is kinda little childish. He would like to try every fresh new thing. But he lacks patience. His enthusiasm won't last for a long time. He enjoys the moment when people keep eyes on him, admire him. But he has never really wanted to be a big star. He is so afraid to endure the heavy pressure.