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Ryona art of a distressed young woman in bondage after being kidnapped.
Ryona art of a distressed young woman in bondage after being kidnapped.

The word ryona (リョナ, ryona, a portmanteau of ryōki ("seeking the bizarre") and onanī ("masturbation")) refers to a type of sexual fetish in hentai where in a protagonist, usually female, is subject to physical or psychological abuse from an offender who is usually male. The term is mostly used in connection to Japanese culture, although the theme itself is seen in many other cultures.

The term ryona almost exclusively refers to the action of a woman being abused by a man. In a case where the target is male, it is more commonly called gyaku-ryona (逆リョナ, gyaku-ryona, "reverse ryona"). The genre focuses exclusively on fictional characters in these situations. In some cases, the perpetrator could be a monster or other non-human being.

The term is contrasted with sexual sadism and rape pornography, in that ryona is a voyeuristic fantasy fetish, a romanticized subgenre aimed at a female target demographic and are almost always of non-explicit sexual nature.


Works in the ryona genre usually depict two characters meeting and developing a relationship with each other, which may begin in or devolve into a state of hostility.


The nature of abuse can vary greatly, but it usually includes one or more of the following: