anal anal_penetration anthro attribute_theft bear big_dom_small_sub big_muscles big_penis colored dominant duo expansion genital_expansion genitals growth hi_res horn huge_muscles huge_penis hyper hyper_genitalia hyper_muscles hyper_penis kissing lagomorph leporid male male/male mammal marshiro mind_control muscle_growth muscular muscular_male penetration penis penis_expansion rabbit sex shrinking simple_background size_difference size_growth size_theft size_transformation tagme transformation vein veiny_penis