Rule 34 Dev - anthro balls black_hair blush breasts duo erection female fur genitals hair humanoid_genitalia humanoid_penis intraspecies male male/female muscular nipples nude penis smile white_body white_fur daigaijin saki_nomura shiro_uzumaki canid canine canis mammal wolf 2015 digital_media_(artwork) hi_res|6701059750