This story is a sequel to Princess Twilight Sparkle Versus The Royal Harem Decree
After a student took "friendship is magic" the absolute worst way, Princess Twilight Sparkle has a moral conundrum on her hooves. The idea of locking up a child goes against everything she stands for, but Cozy Glow is a dangerous individual, who needs some dedicated rehabilitation, more than just school lessons or some more tutoring could provide. A solution needs to be found, lest the little filly end up parked right next to Tirek in Tartarus.
Meanwhile, an absolutely-not-reformed Chrysalis has heard of this dangerously brilliant pony, and sees the chance to acquire an especially useful minion. But what she finds behind those adorable eyes is something rare, something often misunderstood and feared by other ponies.
Could Cozy ever actually be "good"? Well, maybe it depends on your definition...
Written on commission, for Spamotron. If you'd like to commission me yourself, my rules are right here.
This is a direct sequel. Reading the previous story is advised.
Also check out author Ko-Fi.