These scenes may either have the cameraman directly engaging in sex or merely filming others having sex. Lesbian pornography made for women is usually made by women, and usually features women who identify as lesbian nude milfs or bisexual. Some productions are noted for sophisticated and/or experimental storytelling and animation hentai movies techniques. The gay twinks buttocks in human females thus contain more adipose tissue than in males, especially after puberty. Spanking or whipping pornography involves spanking or whipping, generally of the buttocks, with the hand or with other objects such as belts, switches, paddles, brushes, or whips. As of 2010, they were reported to live together as a monogamous couple outside of their porn careers and want to continue working together for another 50 years. Softcore pornography generally contains nudity or partial nudity in sexually suggestive situations, but without explicit sexual activity, sexual penetration or extreme fetishism, while hardcore pornography may contain graphic sexual activity and visible penetration, including unsimulated sex scenes. But starting with The World Biggest Gangbang , starring Annabel Chong, the pornographic industry began producing a series of films ostensibly setting gangbang records for most consecutive sex acts by one person in a short period. Interracial pornographic films have experienced an explosion in popularity, becoming one of the fastest-growing and biggest-selling genres. The person sat upon may be in bondage, sexually submissive, or simply held down by the body-weight of the other person. POV pornography involves camera angles designed to provide the viewer a view similar to that seen by one of the participants, whose face is never shown. Along with the penis, the scrotum is sensitive and considered to be an erogenous zone. Transsexual people Transman pornography features performers who were born female and who medically transitioned to male. Sub-genres of Japanese porn Among the various sub-genres of Japanese pornography are the following: Lolicon ロリコン: This genre involves prepubescent and adolescent girls between the aged of 6-12.