douma (kimetsu no yaiba), kochou shinobu, yor briar, kimetsu no yaiba, spy x family, commentary request, highres, translation request, black hair, breasts, bug, butterfly, butterfly hair ornament, crossover, dagger, demon slayer uniform, dress, earrings, gold earrings, gold hairband, gradient hair, hair ornament, hairband, haori, holding, holding dagger, holding knife, holding weapon, insect, japanese clothes, jewelry, knife, kotoro kotoro, long sleeves, multicolored hair, parted bangs, purple hair, stiletto (weapon), two-sided dress, two-sided fabric, watermark, weapon