FURVERT!

4_toes aliscik anthro avian avian_feet ball_gag bdsm bird bodily_fluids bondage bound breasts chain chained cuff_(restraint)dungeon feet female foot_fetish foot_focus gag hirundinid humanoid_feet laugh nude oscine passerine plantigrade prisoner restrained restraints science_fiction sega shackles soles solo sonic_riders sonic_the_hedgehog_(series)submissive submissive_female swallow_(bird)tears tickle_torture tickling tickling_machine toe_restraints toes wave_the_swallow