FURVERT!

after_transformation alphys animal_genitalia animal_penis anthro apology areola balls biceps big_balls big_breasts big_muscles big_penis blush bodily_fluids breast_expansion breasts buckteeth claws cum cum_on_ground cumshot dialogue ejaculation english_text equine_genitalia equine_penis erection exercise expansion eyewear front_view ftg_transformation fti_transformation furry_(artist)gender_transformation genital_fluids genital_growth genitals glasses growth gynomorph hands-free huge_balls huge_breasts huge_muscles huge_penis hyper hyper_breasts hyper_genitalia hyper_muscles hyper_penis hyper_vein intersex looking_at_viewer muscle_growth muscular muscular_anthro muscular_gynomorph muscular_intersex muscular_thighs nervous nipples non-mammal_breasts nude orgasm_from_transformation pecs penis penis_growth rambling reptile scalie simple_background solo spontaneous_ejaculation stuttering sweat sweatdrop tail teeth text thick_tail three-quarter_view transformation triceps undertale undertale_(series)vein veiny_penis wavy_mouth weightlifting weights wide_eyed workout