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2d_animation animated animated_gif anthro avian becoming_erect big_muscles bursting_out_of_clothing clothing corruption expansion ferrostrife flexing frame_by_frame genital_expansion genitals growing_bulge growth gryphon huge_muscles hyper hyper_muscles male muscle_growth muscular mythological_avian mythological_creature mythology nyhil_rex outgrowing_clothes penis penis_expansion short_playtime solo throbbing throbbing_penis torn_clothing