Rule 34 Dev - 2014 alicorn anthro anthrofied black_and_white bondage bound breasts constellation constellations cum cum_on_breasts cum_on_face cutie_mark duo equine female friendship_is_magic gag horn krd lock mammal monochrome my_little_pony nipples nude open_mouth_gag princess_celestia_(mlp) princess_luna_(mlp) pussy ring_gag sibling sisters sparkles stockade wings|1879036472