1girl, arm_support, black_shirt, blue_archive, blue_eyes, blue_hair, blue_jacket, blush, cellphone, closed_mouth, collarbone, drone, from_above, halo, holding, holding_phone, jacket, lanyard, long_hair, mechanical_halo, official_alternate_costume, partially_unzipped, phone, ponytail, satou_kibi, shirt, sidelocks, sitting, smartphone, smile, solo, star_sticker, sticker_on_face, swept_bangs, thigh_gap, very_long_hair, yokozuwari, yuuka_(blue_archive), yuuka_(track)_(blue_archive), zipper