n.
（网络用语）日语；原意为“御宅”；御宅族是指疯狂热烈动漫；沉浸在幻想世界中
is a Japanese term that refers to people with obsessive interests, commonly the anime and manga fandom. Its contemporary usage originated with Akio Nakamori's 1983 essay in Manga Burikko.
以上来源于:Wikipedia
Otaku
Otaku: Japan's database animals
Otaku : Japan's database animals
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An American Otaku (or, a Boy's Virtual Life on the Net)
The Otaku Encyclopedia: An Insider's Guide to the Subculture of Cool Japan
An Exploratory Study of the Otaku Adolescent Consumer
A Video Game, a Chinese Otaku, and Her Deep Learning of a Language
Of Otaku and Fansubs: A Critical Look at Anime Online in Light of Current Issues in Copyright Law
Japanese Subculture in the 1990s: Otaku and the Amateur Manga Movement