1girl, ass, blue_archive, blue_buruma, blue_eyes, blue_hair, blue_shirt, blush, breasts, buruma, cowboy_shot, from_side, grey_background, halo, holding, holding_towel, hototogisu_(7kanu_7ra), long_hair, medium_breasts, midriff, official_alternate_costume, parted_lips, profile, shirt, short_sleeves, simple_background, solo, standing, sweat, thighs, tied_shirt, towel, two_side_up, yuuka_(blue_archive), yuuka_(track)_(blue_archive)