rule 34 acceptance anal animated anthro basement begging blue body bodily fluids canid canine canis collar cuff restraint digital media artwork domestic first person view anal fur gif good boy grey background handcuffs hi res napping lamp licking licking lips male mammal metal cuffs pain pixel art face recording restraints scared shaking head simple background slave submissive sweat sweatdrop tears tongue tongue out traumatized waking up zendir zendir artist 5449327