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
Kimiko Matsuzaka
Kimiko Matsuzaka is a Japanese AV actress who debuted with Diamond Eizo in 1989. She is credited with cementing the popularisation of the word kyonyuu (busty) in modern Japanese.
Dan Oniroku
Dan Oniroku (1931-2011) was a leading postwar Japanese SM novelist who established the modern kinbaku-bondage literary genre with Hana to Hebi (Flower and Snake).
Enjo Kosai (Compensated Dating)
Enjo kosai is the Japanese term for a woman receiving money from a man for companionship and sexual involvement. It covers the 1990s emergence, ordinance regulation, and the link to papa-katsu.
Joi (Female Doctor)
Joi is the female-doctor attribute: a mature woman bearing white coat, stethoscope, and exam room together with medical expertise. Distinct from the nurse by emphasising authority and knowledge.
Retirement Work (AV Final Appearance)
A retirement work is the final film an AV actress releases on leaving the industry. It carries an announcement, archival, and farewell function, with packaging and fan rites on the scale of a debut.
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.
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)