2_finger_fingering 5_fingers anthro aquatic areola breasts butt cephalopod coleoid digital_media_(artwork) duo echidna eulipotyphlan fan_character feet female female/female fingering fingering_partner fingers fur genitals green_body hair half-closed_eyes hi_res holding_both_legs humanoid_feet kneeling luka_the_octopus lying mammal mollusk monotreme narrowed_eyes nipples nude octopodiform octopus on_back pink_body plantigrade sega sex simple_background sky_the_echidna smile soles sonic_the_hedgehog_(series) sonicguru spread_legs spreading tail toes vaginal vaginal_fingering vulva
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