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1:1 abs anthro bear biceps big_muscles clothing erection foreskin genitals holding_clothing holding_object humanoid_genitalia humanoid_penis male mammal masturbation mighty_joe muscular muscular_anthro muscular_male nude partially_retracted_foreskin pecs penile penile_masturbation penis polar_bear scar simple_background sniffing solo sweater topwear unknown_artist ursine wuffle_(webcomic)