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Artist's commentary
Scarlet Archive: The Maid and The Little Girls of Gensokyo - Character's Concept
Name: Koakuma
Race: Demon
Age: Unknown. 7 years old in appearance
Status/Job: Familiar of Patchouli Knowledge
Residence: Great Library of Scarlet Devil Mansion
-- A familiar who was summoned to be Izayoi Sakuya's playmate
-- When she's not with Sakuya, she mostly spends her time tidying books or helping her master, so she's almost never seen outside the great library
-- Though she's a demon, she belongs to the lower class so she doesn't have much power
-- Obedient and a bit shy most of the time, but can still show a mischievous side
-- Her growth was made to match Sakuya's, but her real age is probably a lot older...