A woman with red hair and boxing gloves posing for a picture

(masterpiece, best quality), best resolution, (3heads:1.5), 1girl, red hair, brown eyes, white tank top, black short pants, boxing gloves, punching a punching bag, gym, (muscular:1.5)

(nsfw:1.5), easynegative, bad anatomy, (worst quality, low quality;1.3)