1girl, ass, black_shirt, blue_archive, blue_buruma, blue_eyes, bottle, breasts, buruma, clothes_pull, cowboy_shot, day, from_behind, half_updo, halo, holding, id_card, long_hair, looking_at_viewer, looking_back, medium_breasts, official_alternate_costume, open_mouth, outdoors, pulled_by_self, purple_hair, shant_07, shirt, shirt_pull, short_sleeves, solo, standing, sunlight, sweat, thighs, v-shaped_eyebrows, very_long_hair, water_bottle, yuuka_(blue_archive), yuuka_(track)_(blue_archive)