FURVERT!

1_eye adventure_time alien beak bedroom black_hair blade_arm blush breasts cartoon_network chainsaw crossover cybernetics cyborg duo female finger_on_chest gigan godzilla_(series)grey_body grey_skin hair heart_symbol horn humanoid interspecies kaiju larger_male lia_(artist)long_hair love lying machine male male/female mandibles marceline_abadeer membrane_(anatomy)membranous_wings metal_skin monster nipples nude open_mouth pillow ponytail power_tool romantic romantic_ambiance romantic_couple size_difference smaller_female smile spear_tail spikes tail toho tools undead vampire wings