Rule 34 Dev - 3_fingers alien amphibian balls bed bed_sheet bedding cowgirl_position docking duo frottage horth indoors long_tail lying male mass_effect on_back on_top penis petresko petresko_(character) pillow red_skin salarian sex seyloid sheath_penetration slit slit_penetration spots spotted_skin tight_fit webbed-hands wet white_skin yaoi|2496411088