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2023 4_fingers anthro anus balls big_balls big_butt big_penis black_body black_claws black_eyes black_fur bottomless buckteeth butt claws clothed clothing crat_(connivingrat)erection finger_claws fingers foreskin fur genitals green_clothing green_sweater green_topwear grey_balls grey_inner_ear grey_perineum hand_on_leg hand_on_thigh hi_res humanoid_genitalia humanoid_penis looking_at_viewer lying male mammal mawarisaka3 murid murine no_pupils notched_ear on_side penis perineum rat red_anus rodent simple_background solo sweater teeth thick_thighs topwear yellow_background