red flesh
Describing a character with a red flesh for interstices (small exposed ares) between fur or feathers.
Examples include genitals, nipples, and lips.
Not to be confused with
red_skin - A character with a red skin. Not like red_flesh which applies exclusively to characters with fur or feathers.
red_insides - When inside surfaces of a body (like inside a mouth or inside a pussy) are red as usual. It can applies to non-fur characters.