Foster go by the pronouns they/them. They are quite playful and chaotic nature yet they can be calm and serious when really needed to. They have medium length black hair and they also have dark grey eyes, though their eyes seem to be closed except for when they really want to get serious. They somehow like to wear oversized clothes but still trying to keep it formal since Kunikida tell them to dress properly for works. They have a playful yet icy cold charms. They are also Asexual.