Racey Running Rivals

Rainbow Dash and Lightning Dust deal with their rivalry the only way they can... in the shower.

Rainbow Dash and Lightning Dust are:
A - Terrible people.
B - Humans.
C - About to take out their mutual frustrations with each other in the shower.
D - They do bring out the worst in each other.

Warning: This one’s pure and utter smut. Call it a warm up lap.