Rule 34 Dev - 2boys abs animal_genitalia anthro antlers ass athletic back_muscles biceps big_muscles big_penis black_nose blue_eyes brothers brown_fur brown_hair bubba_varmint caught cervine deer duo erection facial_hair fur furry hair half-erect hi_res horn humanoid_penis long_penis lying male male_only mammal masturbation monochrome muscular muscular_male nipples nude on_back pecs penile_masturbation penis pose presenting retracted_foreskin sheath sibling standing superslickslasher surprise tan_fur testicles uncut vein walk-in yaoi|3000487360