noun
ryona; fetish for female character abuse
Internet slang term for a sexual fetish focused on a (usually female) character being subjected to physical or psychological abuse in manga, anime, games, etc. Coined from 猟奇 (ryōki, 'bizarre hunting') and オナニー (onanī, 'masturbation').
あの同人誌はリョナ描写が多いので苦手な人は注意。
That doujinshi has a lot of ryona content, so be careful if you're not into that.
リョナ系のゲームは海外でも人気があるらしい。
Ryona-type games seem to be popular overseas as well.