xiujia_yihuizi blue_archive kotone_(blue_archive) 1girl black_choker black_eyes blue_halo breasts cetacean_tail choker covered_navel covered_nipples fins fish_tail grey_hair halo hand_on_headphones headphones hooded_shrug huge_nipples large_areolae looking_at_viewer lying one-piece_swimsuit puffy_nipples round_eyewear short_hair shrug_(clothing) solo swimsuit tail thigh_strap two-tone_one-piece_swimsuit unworn_headphones white_one-piece_swimsuit white_shrug commentary highres unfinished untranslatable_commentary