1girl, blue_archive, blue_buruma, blue_eyes, blue_hair, blue_sky, buruma, cellphone, closed_mouth, cloud, cloudy_sky, deitaku, full_body, halo, hand_on_own_hip, holding, holding_phone, jacket, long_sleeves, looking_at_viewer, official_alternate_costume, open_clothes, open_jacket, outdoors, phone, shoes, short_twintails, sky, sleeves_past_wrists, smartphone, solo, standing, track_jacket, twintails, yuuka_(blue_archive), yuuka_(track)_(blue_archive)