Rule 34 Dev - 2014 alicorn angry angry_sub anthro anthrofied athletic_female bad_end black_and_white bondage bound breasts captured captured_heroine constellation constellations cutie_mark damsel_in_distress defeated defeated_heroine defiant defiant_sub domination duo enslaved enslaved_royal equine female female_focus female_only femsub forced forced_exposure forced_submission friendship_is_magic frustrated gag gagged helpless horn humiliation kidnapped krd lock mammal monochrome multiple_females multiple_girls my_little_pony nipples nude open_mouth_gag pillory princess princess_celestia_(mlp) princess_luna_(mlp) pussy restrained ring_gag royalty sex_slave sibling sisters slave slavegirl sparkles stockade submissive submissive_female uncomfortable unhappy unhappy_female wings worried|1879035360