Rule 34 Dev - 1girl absurd_res air_bubble air_bubbles anthro aquaphilia asphyxiation barefoot breasts bubble bubbles byondrage chamber cyanosis drowning equid equine feet female friendship_is_magic hasbro high_res horn horse huge_breasts keypad mammal my_little_pony navel nipples nude peril pony princess_luna princess_luna_(mlp) solo story story_in_description struggling thick_thighs trapped underwater unicorn water|1090161