1girl, absurdres, arena, black_shirt, blue_archive, bottle, closed_mouth, cloud, facial_mark, foot_out_of_frame, gym_shirt, gym_uniform, halo, highres, holding, holding_towel, knee_up, knees, legs, long_hair, looking_at_viewer, official_alternate_costume, outdoors, parted_bangs, purple_eyes, shadow, shiro_marimo, shirt, sitting, sky, solo, star_on_cheek, sweat, sweatdrop, towel, water_bottle, yuuka_(blue_archive), yuuka_(track)_(blue_archive)