Rule 34 Dev - abs blue_body blue_skin breasts clothed clothing eyewear female fin glasses hair muscular muscular_female muscular_humanoid nipples non-mammal_breasts non-mammal_nipples ponytail red_hair scarf sitting smile solo teeth topless muetank undertale undertale_(series) undyne fish humanoid marine 3d_(artwork) digital_media_(artwork) hi_res source_filmmaker_(artwork)|7929706645