Censorship: Illustrated Guide to ESRB

By Xah Lee. Date:
illustrated guide to ESRB
“Illustrated Guide to ESRB” (2010) By Josué Pereira at nerfnow.com.

Note tha tentacle sex has been traced to Hokusai (葛飾 北斎) (1760 – 1849):

girl diver and octopuses
《蛸と海女》 (1814) The Dream of the Fisherman's Wife, by Hokusai.

Hokusai is the same guy who created this famous piece:

great wave off Kanagawa
〈Great Wave Off Kanagawa〉 (~1829) by Hokusai.

See also: Erotic Artwork.