5_fingers 5_toes anus armpits backsack balls blush bottomless clothed clothing condom_wrapper embarrassed erection flaccid footwear furry gloves grose hands_behind_head hedgehog looking_at_viewer lying male male_only mammal masturbation monochrome mostly_nude multiple_scenes muscular nude penis presenting seductive shirt shoes sketch small_penis smile sonic_(series) sonic_the_hedgehog standing toes traditional_media_(artwork) waving