STEAMEDBUN Ita Bag Backpack with insert Pin Display Backpack for School Cosplay

I have not bought a SteamedBun bag myself, but you might want to look into this one (I recommend the black or the purple)- SteamedBun Backpack I have bought a Cherry Sauce bag, though, and it's held up pretty well over the years; here's some of the backpacks they sell- Cherry Sauce Backpack Cherry Sauce I have no idea what shape this thing is but it's cool? Hope this helps; best of luck with your epic collection!!