Rule 34 Dev - 1futa 4_arms areolae belly big_breasts big_penis black_hair blue_skin breast_grab breasts chubby chubby_female cum curvy curvy_female curvy_figure dialogue emphasis_lines english_text erection fang fang_out fangs female futa_only futa_to_female futanari gender_transformation hand_on_hip hands-free heavy_breathing humanoid humanoid_penis implied_transformation intersex leaning morbiosussy motion_lines mtf_transformation muffet muffetification multi_arm multi_eye multi_limb nipples penis penis_shrinking personality_change plump purple_skin simple_background skin_color_change solo spider standing sweat sweatdrop sweating text text_box transformation twinning undertale wide_hips|10822911408