rule 34 169 age difference anthro antlers balls bodily fluids cervid duo english text erection eye contact eyebrows eyewear furfragged game over gameplay mechanics genitals glans glasses grey background hi res horn humanoid genitalia humanoid penis kneeling line art looking at another male mammal nude older male open mouth open smile penis side view simple background sino smile sweat sweatdrop text unnamed old deer furfragged vein veiny penis younger male 3646840