People' s Republic of China has undergone many major changes in last couple of decades. Huge building fever in coastal cities resulted into transformation of a traditional Chinese lifestyle.
Men and women are working hundred miles away from their families, in a desperate attempt to feed and support their beloved who had to stay in the countryside. Young rural women very often realised that by working in a factory they are not able to earn enough money to fund their family members.
Therefore they turn into a business, which does not require any education or working experience and is open to anyone, into prostitution. Prostitution in karaoke bars is specific to Asian continent and it is little known about it.
Due to a successful effort of Chinese government to hide relevant information and data, although prostitution affects millions of women only in China and it is a huge sociological phenomenon.