, also known as shutchō health (出張ヘルス) or by the abbreviation "deriheru" (デリヘル), is a form of prostitution

Prostitution

Prostitution is the act or practice of providing sexual services to another person in return for payment. The person who receives payment for sexual services is called a prostitute and the person who receives such services is known by a multitude of terms, including a "john". Prostitution is one of...

 in Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 similar to fashion health

Fashion health

', or health for short, is a form of massage parlor which circumvents Japanese anti-prostitution laws by offering a range of services that stop short of sexual intercourse....

, "health" being a term for sexual services. The difference being that the brothel

Brothel

Brothels are business establishments where patrons can engage in sexual activities with prostitutes. Brothels are known under a variety of names, including bordello, cathouse, knocking shop, whorehouse, strumpet house, sporting house, house of ill repute, house of prostitution, and bawdy house...

 has no premises and is essentially a call girl

Call girl

A call girl or female escort is a sex worker who is not visible to the general public; nor does she usually work in an institution like a brothel, although she may be employed by an escort agency...

 or escort service with women being dispatched to their customers' homes or to hotels.

Outcall call girl businesses distribute advertising handouts to home and apartment mailboxes, telephone booths, restrooms and the like in big cities in Japan.