An , or , is a type of brothel in Japan

Prostitution in Japan

Prostitution in Japan has existed throughout the country's history.While the Anti-Prostitution Law of 1956 states that "No person may either do prostitution or become the customer of it," various loopholes, liberal interpretations of the law, and loose enforcement have allowed the sex industry to...

 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....

 parlors. They differ in that image clubs are themed along popular sexual fantasies

Sexual fantasy

A sexual fantasy, also called an erotic fantasy, is a fantasy or pattern of thoughts with the effect of creating or enhancing sexual feelings; in short, it is "almost any mental imagery that is sexually arousing or erotic to [an] individual"...

 such as an office, a doctor's surgery, a classroom, or a train carriage. The prostitutes themselves, whose activities are usually limited to oral sex

Oral sex

Oral sex is sexual activity involving the stimulation of the genitalia of a sex partner by the use of the mouth, tongue, teeth or throat. Cunnilingus refers to oral sex performed on females while fellatio refer to oral sex performed on males. Anilingus refers to oral stimulation of a person's anus...

, wear exaggerated costumes appropriate to the setting and the desire of the customer.