aianchor, koyuki (blue archive), koyuki (pajamas) (blue archive), blue archive, commentary request, highres, paid reward available, 1girl, animal costume, breasts, closed mouth, collarbone, cosplay, cross-shaped pupils, hair between eyes, halo, kigurumi, lactation, long hair, long sleeves, looking at viewer, nipples, official alternate costume, onesie, pink eyes, pink hair, pink halo, puffy long sleeves, puffy sleeves, simple background, small breasts, solo, symbol-shaped pupils, twintails, very long hair, watermark, white background