1girl absurdres against_wall animal_ear_fluff animal_ears black_footwear black_pantyhose blue_archive blue_eyes blue_skirt closed_mouth crossed_arms ellu fox_ears halo highres holding holster indoors knees_up loafers long_sleeves looking_at_viewer niko_(blue_archive) pantyhose pink_hair red_armband school_uniform serafuku shoes skirt solo thigh_holster upskirt valentine white_serafuku