Ryona
The word ryona (リョナ, ryona; a blend of ryōki ("seeking the bizarre") and onanī ("masturbation")) is a type of sexual fetish in hentai wherein a protagonist is subject to sexual, physical, or psychological abuse from an offender. The term is mostly used in connection to Japanese culture, although the themes of misogyny, sadomasochism, compassion, exoticism, and extreme erotica is seen in many other cultures.