1girl, amazu_(kurozu), bare_shoulders, blush_stickers, boxing_gloves, breasts, character_name, cleavage, clenched_teeth, cropped_legs, grey_background, hair_between_eyes, knee_pads, long_hair, looking_away, mari_(amazu), medium_breasts, navel, original, ponytail, red_hair, red_shorts, short_shorts, shorts, signature, single_knee_pad, solo, teeth, yellow_eyes