Muscle training Japanese man in his 50s, muscular man wearing a tank top、Working out with a woman in her 20s、I am working out my stomach with my abdominal muscles.

(((NSFW))) ,painting ,sketches ,logo ,watermark ,text ,(worst quality:2) ,(low quality:2) ,(normal quality:2) ,lowers ,normal quality ,((monochrome)) ,((grayscale)) ,skin spots ,acnes ,skin blemishes ,age spot ,(outdoor:1.6) ,ugly face ,bad anatomy ,nipples, nude ,malformed_hands ,extra_arms ,bad hands ,mutated hands ,bad fingers ,poorly drawn fingers ,missing fingers ,cleavage ,