rule 34 alleyballey ambiguous gender anthro anus armor ass baba alleyballey balls bed bed sheet bedding blush blush lines brown balls bulge cat tail chest armor ears up fluffy fluffy elbows fluffy mane fluffy tail furniture genitals gradient background green penis hair head tuft humanoid lying machine male mane mane hair neck tuft on back on bed on bedding penis perineum piercing protogen purple background raised tail robot robot humanoid screen screen face screens simple background solo spread legs spreading taint bulge thick thighs tongue tongue out tuft 5360620