Big Caisson is an earth-pony colt in his senior year of highschool. A BIG colt. His worries about how his class-fillies see him is on his mind as he is helped into his farm-work harness by his younger sister, Cookie. Harnessing is an intimate thing!
And that meant that Caisson could push. The brain gave the go signal, powering up the bulky bio-mechanical machinery of the young stallion’s legs once again, this time with more caution and control.
BRAIN:Caisson, Control. You have cleared the tower; GO at throttle-up!
How has that cock not bent with how tight she is...
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Magic.
BRAIN: Caisson, Control. You have cleared the tower; GO at throttle-up!
CAISSON: Roger, Control. Max-Q!