Rarity leave for Canterlot on an important business venture, so she leaves Sweetie Belle in charge of the Boutique, thinking she's old enough to handle this task. Sweetie Belle promises Rarity that she'll keep the shop safe, but when the bugs get in and start threatening Rarity's livelihood, Sweetie Belle will have to think fast or end up disappointing her big sister, and that's totally not acceptable!

Preread by: Stinium_Ruide:, QueenChrysalisForever: and TheLegendaryBillCipher:
Edited by: Ruby:

Inspired by a true story.
Art credit to: https://derpibooru.org/2355639