1girl, ass, bed, bed_sheet, black_shirt, blue_archive, blue_buruma, blurry, buruma, depth_of_field, facial_tattoo, gym_shirt, gym_uniform, half_updo, halo, id_card, indoors, lanyard, long_hair, looking_at_viewer, lying, official_alternate_costume, official_alternate_hairstyle, on_stomach, parted_bangs, purple_eyes, purple_hair, sakanafish, shirt, short_sleeves, sidelocks, smile, solo, star_tattoo, tattoo, yuuka_(blue_archive), yuuka_(track)_(blue_archive)