Often these bands are made up of girls between 16 and 20 years, and dressed in sexy uniforms somewhat bizarre (outputs from manga or school .. to inflame the imagination of the people).There are also bands of boys to satisfy even the female appetite. These media phenomena are short lived but very intense. They completely cover the city with posters, merchandising and continuous advertising on the many big screens of Japanese buildings. Around the world this happens in many countries, but we can say that in Japan has taken to the extreme, and in a rather bizarre way. There is people with a real obsession about this.. and often are the older people.