Rule 34 Dev - 2010 anthro balls biceps blood claws demon erection eyewear frottage fur furry furry_only gay glasses hair half-erect knot knot_in_sheath male male_only muscles mustelid no_humans nude nurro_denthyme open_mouth otter packmind penis sheath sigh-otter toe_claws tongue tongue_out unwilling vein veiny_penis|1661093368