Hentai Word Dictionary
hentai-pedia
NTR, giant breasts, femdom, kinbaku — 874 terms explained with etymology, history and contemporary usage.
Hentai, explained seriously.
Featured Terms
Hentai Dictionary
Gyaku-nan (Reverse Pickup)
Gyaku-nan is the Japanese slang for a woman approaching an unknown man in public to propose sex or a short fling, the gender inversion of male-led pickup culture, established as an AV genre.
Fudeoroshi (Sexual Initiation by an Older Woman)
Fudeoroshi is the Japanese idiom for an older woman giving a virgin young man his first sexual experience. Rooted in Edo pleasure-quarter culture, it is now a fixed adult-work genre.
Police Officer Fetish (Keikan Fetish)
A police-officer fetish is strong sexual attraction to the uniformed officer, especially the policewoman. The navy uniform, cap, handcuffs, baton, and the power dynamic of authority form its core.
Yuma Asami
Yuma Asami (born 1987) is a former Japanese AV actress and television personality. She debuted in 2007, disclosed a cervical cancer diagnosis in 2011, and later became known for health advocacy.
Shijuhatte (The Forty-Eight Hands)
Shijuhatte is the Edo-period system of forty-eight-odd named sexual positions and techniques. Modelled on the count of sumo winning moves, it became a classificatory frame in erotic books and shunga.
Adult Goods (Sex Toys and Intimate Products)
Adult goods are products designed for sexual pleasure and stimulation, spanning vibrators, rotors, masturbation sleeves, love dolls and restraints. Japan is a world-leading manufacturing centre.
Sora Aoi
Yukiji Asaoka
Dating-Site Regulation Act (2003)
Age of Consent (Japan)
Non-Consensual Sexual Intercourse Offence (2023)
Entertainment Business Control Act (Fueihou)
Hana to Hebi (Flower and Snake)
Haramase-mono (impregnation genre)
Freedom of Expression (Japan)
Expression Regulation (Japan)
Idol-producer theme (J-adult media)
Sacrificial-victim genre (J-hentai)
Training/development eroge
Illustration collection (doujin art book)
Isekai genre (Japanese fantasy/adult setting)
Child-Prostitution Punishment Act (1999)
Child-Pornography Law (Japan, 1999)
Live-action eroge
Female-teacher genre (J-adult fiction)
Women-oriented AV
Pure-love genre (junai-kei)
Simple Possession (Child Pornography)
Fighting-game erotic fan art
"Girlfriend formation" voice drama
Popular Hentai Terms Hentai Dictionary
Pure-love genre (junai-kei)
Simple Possession (Child Pornography)
Fighting-game erotic fan art
"Girlfriend formation" voice drama
Private-tutor genre (J-adult fiction)
Public Indecency (Penal Code Article 174)
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Kichiku-kei (brutal-abuse genre)
Kikaku AV (planning-format AV)
Kaori Kuroki
Forcible Sexual Intercourse Offence (2017–2023)
Classroom-setting genre (J-adult fiction)
Vampire erotica genre (J-adult media)
Ladies' comics (redikomi)
LGBTQ
Lucky sukebe (accidental fanservice)
Manga Regulation Controversy
Go Nagai
Outing
Ihara Saikaku
Sex Education (Japan)
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Hentai CategoriesPositions, techniques, and the choreography of sexual acts.
Anatomy, physiological reactions, and the language of sensation.
Fetishes that tie sexual arousal to specific objects, situations, or scenarios.
The work formats — manga, video, hentai games, doujinshi, ASMR, VR — that carry sexual representation.
- Hana to Hebi (Flower and Snake)
- Haramase-mono (impregnation genre)
- Idol-producer theme (J-adult media)
Adult businesses, their trade vocabulary, and the regulatory backdrop they operate within.
From the Yoshiwara pleasure quarter to the AV regulation reforms — the historical arc of sexual culture.
Obscenity doctrine, Penal Code Article 175, the AV regulation law — the legal and social framing of sex.
- Dating-Site Regulation Act (2003)
- Age of Consent (Japan)
- Non-Consensual Sexual Intercourse Offence (2023)