FurryBooru - 2023 anthro balls outline bodily fluids briefs bulge bulge in face canid canine canis clothing detailed bulge duo dusty (horrorbuns) echo (game) echo (series) echo project facesitting fox full-length portrait fur genital outline hi res horrorbuns kneeling leg grab leo alvarez male male/male mammal multicolored body musclegut muscular muscular anthro muscular male nipples pecs portrait red body red fox silver fox simple background sitting on another slightly chubby smothering sweat sweaty body thigh grab tighty whities underwear white briefs white clothing white underwear wolf