Why do 2D girls have such shiny and red elbows and shoulders?

>>135935919
To stay well-lubricated.

>>135935919
Depth

>>135935919
Carpet burns.

>>135935919
Those are giant pimples.

>>135935919
A lazy way to make those shiny highlights visible without making their skin darker to achieve good contrast.

I would be fine with it if it was just the white part but with red it's guaranteed detumescence.

File: Char.jpg (171KB, 640x360px) Image search: [Google]

171KB, 640x360px

>>135935919
Newtypes. Don't have to explain shit.

>>135935919
The image is so racist. Why do Asians and Whites are drawn with different skin color there?

>>135941083
Yellow(fever)

To show how soft they are, even the hardest parts of their bodies it's sensible.

Is Houki preggers in that pic?