Here a few links how to get hentai-mangas and doujins:

English sites (japanese & english mangas) SSManga Man Shrine, ~400 japanese hmangas (direct downloads) Morera27: Hentai Mangas ~120 japanese hmangas (direct downloads) H-ZIP.com, japanese mangas (direct downloads) Hentai-Mangas.org, japanese mangas (direct downloads) Hentai Variants 18 Blogger (direct downloads) Master Boodfer.Tk, english/spanish site, doujins mainly Futanari Zone Version, english site, 30+ hmangas, medium sized scans (not original size) Shinseiki Hentai Manga Knowedge Center, english site with background info (useful) FullHentai (aprx. 50 h-mangas, see "Mangas" section) EroticToons (aprx. 20 english mangas/erotic comics) Japanese sites (mostly dojins) Mangakan.net (lot's of dojins, aprx. 300, new stuff) Candy Spot (lot's of dojins, aprx. 300, old stuff) Chara Style (dojins, sorted by serie, quality cg) Gensou (dojins, sorted by serie, aprx. 80) Mangacafe (h-mangas, but many links don't work) Comic-X (active community, few scans) Link-sites Uramenu: Anime/CG/Manga News (daily news with links) Adult Manga Mafia: Japanese Manga Artists (lots of links) ... H-Manga Reviews Playlist H-Mangas HComic @ MMN.Nu Matok HComic Zuikyo's Reviews Okuyamak Reviews Hint: Turn off Javascript while surfing those sites - no anoying banners popups. Also when exploring japanese sites watch the URL first you go, and look closely if it's a voting link or one to the actual manga - e.g. often the icon of the manga leads to a vote, whereas the title beneath of the icon leads to the actual manga download.

Bulletin Boards Akiba Forums, mostly hentai manga magazines Hongfire.com, check Torrent -> Hentai -> Hentai Manga section (registration required) 4Chan.org: Torrents, just torrents (some come from Hongfire and/or HentaiGroup) HK P2P, check BT.Comics (chinese) TungK's BBS #1 (part of Comic-X) More discussions than uploads TungK's BBS #2 (part of Comic-X) Here you likely find h-manga uploads Pie: Erocomic (japanese only) P2P: Nyaa Torrents.org, check Hentai Manga. Deadfrog.us, check Hentai Manga. Delta Anime: Datorrents, check Hentai Manga. WinMX, read this tutorial by Ryo WinMX: AnimeFantasia. IRC irc.aniverse.com: #eromanga (mostly fservs) various other channels irc.dal.net: #kyosuke-bbs (related to kyosuke.com) #doujins (has several fservs) #hentai (mostly trading, no fserv/ftps) Usenet Newsgroups Another way to get hentai-mangas is from alt.binaries.pictures.erotica.anime newsgroup, required is an excellent news-feed from your ISP which is rare (otherwise sign-up easynews.com or alike service). There daily 4-10 mangas (mostly dojins) are posted, and those you find on the japanese dojins-site I listed above usually. Online Stores To buy actually the mangas: JList (american site, direct imports) Tokyo Central (american site, direct imports) Book Mart: Japan-Manga (japanese site, english, used books) Tukasa (Tsukasa Comics) (japanese site) Shobunkan (japanese site, easy navigation) MangaOh (japanese site) K-Books (japanese site, dojins only, comprehensive) Toranoana (japanese site, dojins only) Dojin Shop / Messe Sanoh (japanese site, dojins only) Akibaoo (japanese site, dojins only) Translation A few links to web-translators helping you with japanese/chinese mangas: AnimeLab: Translator Excite: Translator (English to Japanese, Japanese to English) Worldlingo (Principal language to Principal language) Altavista Translator (Principal language to English, English to Principal language)