Prompt: Variables for race/gender/etc, but in general like this:
(Digital Artwork:1.3) of (Pastel:1.3) look (Unhappy:1) Close portrait of Average-looking Northern European Male preteen with No Medium hair and Very Dark eyes,CGSociety,ArtStation,(Fujifilm Superia:1)
Negative prompt: Frame, Nudity,Screenshot,panel,logo,text,watermark,signature