anal anal_vore anthro anthro_pred backsack balls big_butt boyfriends bubble_butt butt butt_focus chubby_girly collar degradation digestion digital_media_(artwork) duo fatal_vore female female_(lore) female_prey femboy forced gassydragont genitals hi_res jealous kobold male male/female male_pred master nude raised_tail rear_view simple_background smile smug smug_expression smug_eyes smug_face swallowing tail teased teasing text vore