On the other hand, if a female uses a strapon or a dildo to penetrate a male ass, it is referred to as strapon anal. If it is a male being penetrated by another male, it is also referred to as gay anal. The receiving partner can be a female or a male. The receiving partner may be a consensual one, wherein the anus of the receiving partner is penetrated with her full consent or it may be a forced entry, like in that of a rape. The act of anal sex comprises of inserting the penis into the anus of a receiving partner. Anal hentai is a category of hentai material that involves the depiction of anal sex in various ways.