black_mouth
A mouth that is unusually pitch black, typically to give an uncanny effect; this might be used to reflect horror (theme) elements.
It may be found in characters that are emotionally unstable, such as those enacting a crazy smile, and/or yanderes.
Examples
* !post #7144035
* !post #7998527
* !post #8085930
* For characters that have a naturally black tongue and/or inner mouth, see black tongue instead.
Aliases: none