1girl, anekawa_(sisterriver), animal_ear_fluff, animal_ears, black_shorts, blank_eyes, blonde_hair, blue_archive, blush, exhausted, facing_viewer, forehead, full_body, furrowed_brow, gym_uniform, heavy_breathing, long_hair, off_shoulder, open_mouth, parted_bangs, raised_eyebrows, running, seia_(blue_archive), shoes, short_shorts, short_sleeves, shorts, sidelocks, simple_background, single_bare_shoulder, sketch, sneakers, solo, sweat, white_background