No mature content, but the theme is vore.
 
Applejack was happy when the human versions of Rarity and Pinkie Pie volunteered to join her for breakfast. She’d been hoping to really make friends with the tiny human versions of her own friends, but she also acknowledged that the magic that incorporated their hometown into Equestria also made them irresistibly delicious, so it had proven tricky to establish friendship with persons who’d also be good snacks.
 
“The things a girl has to do.” Rarity sighed. She’d been hoping to incorporate her irresistible flavour into a spa treatment, but it soon became apparent that Aloe and Lotus were tiring of her taste and so started charging her for the privilege. It seemed that letting her friends’ pony counterparts eat her was the only way to experience the effect of a digestive spa.