after_masturbation after_orgasm animal_genitalia anthro bed closed_eyes cum cum_on_stomach cum_string erection furry greyscale hands_behind_head high-angle_view humanoid_penis league_of_legends looking_pleasured lying male mammal masturbation monochrome multiple_images navel neck_tuft nude on_back on_bed one_eye_closed penile_masturbation penis pillow riot_games sheath simple_background sketch solo teemo testicles tuft yordle