Rule 34 Dev - 2019 anthro balls bed biped blonde_hair blue_fur crescent0100 cum cum_on_self cum_on_stomach dragon erection fur furred_dragon glans grey_fur grey_tail hair holding_penis hybrid_penis knot lying male masturbation multicolored_fur nude on_back on_bed penile penile_masturbation penis ridged_penis solo striped_fur stripes yellow_fur yellow_stripes|3587370936