And if you win, you can fuck my sister! -- Wait, what?

Sweetie Belle makes a bet with Spike -- one that seemed like a sure thing at the time, but later turns out to have been rather unwise. Luckily for Spike, Rarity owes Sweetie Belle a favor, a really big favor.

Cover art adapted from the NSFW original by kasaler.
All characters are aged up to legal age. Chapter 2 involves some dubious consent.
Audio Reading by ScarlettBlade