1girl arona_(blue_archive) blue_archive blue_background blue_eyes blue_hair blue_serafuku blue_shirt blush bow_hairband braid choker colored_inner_hair comiket_101 commentary_request cover cover_page cowboy_shot doujin_cover envelope hair_over_one_eye hairband halo highres holding holding_envelope light_blue_hair looking_at_viewer multicolored_hair naga_u open_mouth panties pantyshot pink_hair sailor_collar school_uniform serafuku shirt short_hair single_braid skirt solo striped striped_background striped_panties sweatdrop translation_request underwear white_choker white_hairband white_sailor_collar white_skirt