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5:4 5_fingers abs anal anal_fingering anthro arm_support balls belt bodily_fluids bottomless breath chest_markings clothed clothing dialogue duo echidna english_text erection eulipotyphlan fingering fingering_self fingers genitals gloves half-closed_eyes handwear hedgehog hi_res humanoid_genitalia humanoid_penis kerchief knuckles_the_echidna leaning_on_elbow line_art looking_at_another looking_at_partner looking_pleasured lying lying_and_blow_position male male/male mammal markings masturbation monochrome monotreme muscular muscular_male narrowed_eyes netflix nipples nude on_side open_mouth penis profanity renegade_knucks saliva saliva_on_penis sega signature sonic_prime sonic_the_hedgehog sonic_the_hedgehog_(series)speech_bubble tail tail_motion tailwag text tongue tongue_out toodamncycle