Technically this is a form of exhibitionism rather than "group sex" per se.A rainbow party is an urban legend spread from the early 2000s.A daisy chain refers to sexual relations among three or more people, with each person both performing and receiving oral sex simultaneously.Self-evidently, for a closed daisy chain to be entirely heterosexual there must be an equal number of males and females, making the number of participants even. permutational development in the appendix of postures to the well-known Manual of Classical Erotology (1824) of the Fichtean philosopher, Friedrich Karl Forberg, and in a Swedish work, Ju fler vi är tillsammans (“The More the Merrier”), by a schoolteacher, Ragnar Aaslund, published in 1966 and intended frankly as a manual of group-sex." Bukkake is a group sex practice where multiple men ejaculate onto the face or body of a female or male subject.Variations on this system exist that use case to convey more information.
Group sex can occur between people of all sexual orientations and genders.
In places where non-monogamous sex is taboo or illegal, group sex may take place in private or clandestine locations including homes, hotel rooms, or private clubs.
Fantasies of group sex are extremely common among both men and women, and group sex is a subgenre in pornographic films.
Group sex also occurs in populations of non-human animals such as bonobo apes and chimpanzees.
Group sex most commonly takes place in a private sex party or semi-public swinger gathering, but may also take place at massage parlors or brothels or, in some jurisdictions, at purpose-built locations such as sex clubs.