rule 34 2020 34 anthro balls big penis blue clothing blue shirt blue topwear bottomless clothed clothing crotch tuft erection felid front view fur genitals grey body grey fur hand behind head hi res humanoid genitalia humanoid penis looking at viewer male male only mammal mostly nude open mouth open smile pantherine penis portrait shirako shiro world flipper shirt smile solo standing stripes three quarter portrait tiger topwear tuft vein veiny penis vest world flipper 4289889