Saw one of Frostbound's excellent renders and felt a flash of inspiration.

I present to you a tale of tiered pony sizerot straight from Hyperquestria, in a growth-lusty romp that follows Pinkie, Rarity, Dash, Twilight, and Fluttershy through increasingly excessive levels of hyper/macro, with various other excesses drizzled on top to give them each a unique feel. The size tiering was determined by my patreons.

Here I've posted the first 1400 words out of the total 3300, which you can read at patreon.com/phen