1girl, arm_support, ass, bare_back, blue_archive, blue_buruma, blue_jacket, blue_skirt, blush, buruma, commentary, gym_uniform, halo, highres, jacket, legs, legs_up, long_hair, looking_at_viewer, lying, mechanical_halo, no_shoes, official_alternate_costume, on_back, panties, panties_under_buruma, panty_peek, ponytail, purple_eyes, purple_hair, shijima_(shijima_tc), shirt, simple_background, skirt, socks, solo, top-down_bottom-up, track_jacket, underwear, yuuka_(blue_archive), yuuka_(track)_(blue_archive)