Webcomics that due to their content are just Not Safe for Work. This can include very violent webcomics but, in general, it is for comics with very graphic sexual content, although they are more like R-rated movies with fully developed stories and characters (who have constant sex), rather than straightforward porn in comic form.
- 1977: The Comic
- Alfie (porn with plot in a medieval fantasy setting)
- Avialae (Boys' Love with explicit sex scenes)
- Ayuri
- Badly Drawn Kitties (occasionally)
- Battle Kreaturez
- Blood Bank
- Bongo And Luna
- Bound Adventures
- Bumrape Island
- Cats N' Cameras
- Chester 5000 XYV
- Chimneyspeak
- Chugworth Academy
- Collar 6
- Cool Cat Studio (in some later strips).
- CKarrus
- Cosmic Hero
- Ctrl R: Mostly NSFW in its earlier strips, but increasingly less so as it has progressed.
- Curvy
- Demon Candy: Parallel
- Dysfunctional Family Circus - while the art is inocuous in its original context, the added captions often weren't
- Ennui GO! - Casual nudity, casual drug use. Sex scenes every Sunday. Some characters display serious Body Horror.
- Evangelion 303
- Fluffy Bunny Domination
- Forest Hill: A Slice of Life comic that discusses mature topics, such as child abuse and neglect.
- FreakAngels
- Game Over Tales: Crouching Ostrich, Hidden Vulture
- Grant
- Go Get a Roomie!
- HATEFARM
- He Is A Good Boy (occasional brutal gore)
- Hopelessly Heroic
- Incubus Tales
- The Island
- Jack
- Juvenile Diversion
- Kazas Mate Gwenna: While there is nudity, there is no sex. The comic is an homage to golden age pulp comics with jungle adventurers. Who wears clothing in the jungle?
- Killing Stalking
- La Mouette Noire
- Lovesyck: Sci-Fi webcomic only mildly NSFW due to nudity and some sexual scenes.
- Ménage à 3
- Men+Monsters
- My Lesbian Experience with Loneliness: The introspective autobiographical plot mostly surrounds a single sex scene.
- Norse
- NSFW Comix
- Oglaf
- Our Mutual Agreement: Began as a Pokémon ask blog, but features a similar premise.
- Pawn
- Peter Is the Wolf
- Premarital Relationship due to the two grandfathers not being above the use of Sexual Extortion to ensure their grandchildren enter into an Arranged Marriage with each other, and the fact that said grandchildren are in their first year of Korean Highschool.
- Profiles
- Purple Pussy: A furry anti-furry NSFW webcomic for girls made by the creator of The Flash Tub
- Rasputin Barxotka: Usually not. But when it is NSFW, it can get pretty nasty.
- Rasputin Catamite: Mildly NSFW, due to massive amounts of innuendo and violence.
- River Passage
- The Rock Cocks
- Sandra on the Rocks: A Ménage à 3 Spin-Off set in the world of international fashion photography. Only mildly NSFW so far.
- Satin Steele
- The Savage Sword of Sharona
- The Secret Lives Of Flowers: For a scene taking place in a sex shop.
- The Secrets of the Afterlife
- Sexy Losers
- Simon Sues, in some of the bonus comics.
- Shredded Moose
- Snowflame for depictions of drug use.
- Sonichu: Issue 8 for sex scenes and Issue 10 for graphic violence.
- Spying with Lana
- Starfighter
- Sticky Dilly Buns: Another Ménage à 3 Spin-Off. Only mildly NSFW.
- Sunstone: A Slice of Life webcomic about two women who enter into a BDSM relationship and end up falling in love. NSFW for nudity and sexual situations.
- Tales of Schlock
- Tetsuko
- The Monster & The Girl
- The Monster Under the Bed
- Times Like This: a webcomic "about time travel, and all the fun and interesting stuff involved with it". (Including sex with historical figures
, or cavorting around nude like Adam and Eve.)
- Weapon Brown
- Welcome to Chastity
- Wereworld
- What Does The Fox Say
- You Suck
