Hentai Word Dictionary
hentai-pedia
NTR, giant breasts, femdom, kinbaku — 879 terms explained with etymology, history and contemporary usage.
Hentai, explained seriously.
Featured Terms
Hentai Dictionary
Iribitari (Lodger Cuckolding)
Iribitari is a cuckolding narrative type in which a third party lingers long-term in a household, eroding the relationship from inside until it is taken. A 2010s manga and doujin genre.
Sixty-Nine (69)
Sixty-nine (soixante-neuf) is a reciprocal oral position in which two people lie head-to-tail and stimulate each other's genitals at once. The name is a visual metaphor on the figure 69.
Seijun-kei (Pure / Innocent Archetype)
Seijun-kei is a female character type built from signs of innocence: a modest personality, prim attire, and sexual inexperience. Centred on performing purity, it takes the lewd type as its opposite.
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.
Analingus (Rimming)
Analingus (rimming, anilingus) is oral stimulation of a partner's anus with the mouth and tongue. In Japan it appears as a sex-service option and a special act in AV, treated as needing hygiene care.
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.
Dark Elf (Fantasy Character Archetype)
Ecchi (Japanese Softcore Erotic Genre)
Mind Break (Hentai Tag and Narrative Type)
Oyakodon (Mother-Daughter Threesome Trope)
Rule 34 (If It Exists, There Is Porn of It)
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)
Popular Hentai Terms Hentai Dictionary
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)
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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)
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)
Browse by Category
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.
- Dark Elf (Fantasy Character Archetype)
- Mind Break (Hentai Tag and Narrative Type)
- Oyakodon (Mother-Daughter Threesome Trope)
The work formats — manga, video, hentai games, doujinshi, ASMR, VR — that carry sexual representation.
- Ecchi (Japanese Softcore Erotic Genre)
- Hana to Hebi (Flower and Snake)
- Haramase-mono (impregnation genre)
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.
- Rule 34 (If It Exists, There Is Porn of It)
- History of Sentō (Public Bathhouses) in Japan
- History of Sex Education in Japan
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)