1boy 2_heads absorption_vore anthro balls balros big_penis biting_lip conjoined corruption crotch_head diphallia diphallism echoen fluffy foreskin foreskin_folds frontal_taur_balls frontal_taur_genitals frontal_taur_penis furry growth hands_behind_head huge_cock humanoid_penis line_art male male_focus male_only mammal merging monochrome multi_balls multi_genitalia multi_head multi_penis nude penis penis_tongue post_transformation retracted_foreskin rodent sciurid solo solo_focus taur transformation triphallia uncircumcised vore