A 3.6 metre-high custom-made female robot is pictured at the newly opened "Robot Restaurant" in Kabukicho, one of Tokyo's best known red light districts, August 16, 2012. REUTERS/Yuriko Nakao

Bikini-clad women perform at the newly opened "Robot Restaurant" in Kabukicho, one of Tokyo's best known red light districts, August 16, 2012. REUTERS/Yuriko Nakao

Bikini-clad women (L) sit as they operate a 3.6 metre-high custom-made female robot at the newly opened "Robot Restaurant" in Kabukicho, one of Tokyo's best known red light districts, August 16, 2012. REUTERS/Yuriko Nakao

A customer gives a thumbs-up as he is seated on a 3.6 metre-high custom-made female robot at the newly opened "Robot Restaurant" in Kabukicho, one of Tokyo's best known red light districts, August 16, 2012. REUTERS/Yuriko Nakao

A customer (R) is seated on a 3.6 metre-high custom-made female robot at the newly opened "Robot Restaurant" in Kabukicho, one of Tokyo's best known red light districts, August 16, 2012. REUTERS/Yuriko Nakao

Bikini-clad women are seen on a mock tank decorated with lights, during a show at the newly opened "Robot Restaurant" in Kabukicho, one of Tokyo's best known red light districts, August 16, 2012.REUTERS/Yuriko Nakao

It's show time at the "Robot Restaurant" a new and high-tech take on the city's decades-old cabaret scene that puts a friendly, if unusual, face on the robot technology in which Japan is a world leader.