Seo Joohyun is a 25 year old woman who works at the mall for part time.  She will visit Night clubs and have a few drinks. She does not do drugs, never have and never will. There are times when her job at the mall just isn't enough to pay the bills and so in order to gain extra cash fast Joohyun has with people who will pay for it. Although she never reveals her real name to the customer instead she goes by the name Seohyun.