I see shoulders painted in this way from time to time, they are

>>2899640
Some pale people do have reddish shoulders. That little white circle is painted to add volume I guess

>>2899640
Animu girls, usually have rash and acne like a lot of teenagers. Healing brush tool will do the trick.

Anime girls are alcoholics.
https://en.m.wikipedia.org/wiki/Alcohol_flush_reaction

>>2899642

acne rofl

red is to show the paleness and translucency of skin, the white is some random higl, as you know animu artist likes all shiny and sparkly stuffs

>>2899694
no its her shoulders blushing

>>2899662
hot on girls imo

found this page https://en.wikipedia.org/wiki/Flushing_(physiology)

looks like getting red in not just face really is a thing, and it's not just an alcohol. She could be an orgasming man, for example. I dunno, I'm confused.

>>2899640
some anime artists probably do that so the shoulders won't look so flat. they also do it to the elbows and knees