Chijo (痴女) is Japanese term for female chikan or frottophilia who largely exists only in Japanese men's imagination and Japanese pornography. Chijo is not a mere nymphomania with high sex drive. She takes active part in sex and usually involves in unlawful act.

Chikan (痴漢, チカン, or ちかん, meaning molester or pervert) is a Japanese term that is frequently used to describe people, nearly always male, who take advantage of the crowded conditions on the public transit systems to touch people, primarily females, sexually. ... Pornographic movies Pornography (Porn) (from Greek πόρνη (porne) prostitute and γραφή (grafe) writing), more informally referred to as porn or porno, is the explicit representation of the human body or sexual activity with the goal of sexual arousal. ...

Japanese pornography depict a typical chijo as a sexy woman who either molests a stranger in public transportation such as subway train or seduces a man to grope her. Although She seduces, embarrasses and/or shames a man, she rarely rapes, injures nor kills her victim as such act belong to other categories of pornography.

Japan also has many prostitutes who act as chijo by the customers' request.