1girl absurdres ako_(blue_archive) ako_(dress)_(blue_archive) arm_up armpits bad_id bad_pixiv_id blue_archive blue_eyes blue_hair blush breasts clenched_hand closed_mouth dress evening_gown grey_background highres large_breasts medium_hair no_halo official_alternate_costume plunging_neckline presenting_armpit sideboob sideless_dress sideless_outfit simple_background sleeveless sleeveless_dress solo yagantoegeun