2018 alien animal_genitalia big_penis blush breast_grab breasts clitoris duo erection facial_markings facial_piercing female genital_slit hair hand_on_breast human human_on_humanoid humanoid jewelry licking long_tongue male mammal markings mass_effect monochrome muscular muscular_male necklace nipples nude penetration penis piercing pinching_nipples pussy ring saphistar-tries-to-art sex sketch slit straight tongue tongue_out turian vaginal_penetration video_games