SOURCE: AniKaos.com
This kao was found on an archived instance of anikaos.com, and rather unusually, there was an artist credited! However, there were no links or other information, so all I can say is that these were made by someone named Olivia.
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Positive
Happy, laughing, excited, in love, etc.
Negative
Upset, scared, confused, apologetic, embarrassed, etc.
Neutral
Actions, hello/goodbye, holidays, and weather.
