1girl, arms_behind_back, backlighting, blue_archive, buruma, facial_tattoo, feza_chen_(ushaku), from_below, gym_uniform, halo, id_card, jacket, lanyard, long_hair, long_sleeves, looking_at_viewer, looking_down, official_alternate_costume, open_clothes, open_jacket, parted_bangs, plastic_bottle, ponytail, purple_eyes, purple_hair, sidelocks, simple_background, solo, star_tattoo, tattoo, thick_thighs, thighs, track_jacket, white_background, yuuka_(blue_archive), yuuka_(track)_(blue_archive)