The Munitions Shop, or Shiranui’s Shop, is where you can spend Coins, Merit, Core Data, and Event points for Equipment, Equipment Boxes, Skillbooks, Cubes, Food, Upgrade Parts and Ships. Tapping on the shop stalls in the Academy will take you to the General Shop tab of the Munitions Shop. Alternatively, tapping Shop on the bottom-right of the main menu and then on Munitions will also take you to the Munitions Shop.