This can, however, redirect semen into the bladder . However, bisexual pornography is often placed near the gay section in adult video stores, since many consumers are gay men. In general, BDSM play is usually structured such that it is possible for the consenting partner to withdraw his or her consent during a scene; for example, by using a safeword that was agreed on in advance. The term applies to the depiction of the act rather than the act itself, and so does not include live exhibitions like sex shows and striptease. Lolicon and its contribution to the controversy regarding the regulation of pornography of depicting minors that don’t exist has been a major issue for free speech in and outside of Japan. Omorashi: The act of holding one own urine until the need to urinate is urgent, making another hold in their urine, or watching another person with an urgent need to urinate. When the interest in a particular subject is gaysex obsessive, the behavior may be described as stalking. Fisher said that perhaps, the fleshy, rounded buttocks attracted males during rear-entry intercourse. Use of the agreed safeword is seen by some as an explicit withdrawal of consent. Women oriented pornography is sometimes referred to as sex positive pornography. In more vigorous forms of fisting, such as punching or punchfisting, a fully clenched fist may be inserted and withdrawn slowly. Pornography is often distinguished from erotica, which consists of the portrayal of sexuality with high-art aspirations, focusing also on feelings and emotions, while pornography involves the depiction of acts in a sensational manner, with the entire focus on the physical act, so as to arouse quick intense reactions. Bukkake is a sex act portrayed in pornographic hentai movies films, in which several men ejaculate on a woman, or another man. In S/M, the Sadist is usually the Top and the Masochist the Bottom, but these roles are frequently more complicated or jumbled . Several hundred exclusively momsex pegging films were produced, as well as twice as many bisexual and straight films with strap-on scenes.