(W) Chizutokouro (A) Kei Mochizuki

Nozome and Nieno's catalog is chock full of handy, fantastical items: a Just-What-I-Need Vending Machine, Body Clock Pills, and a Voice Changer Dial, among many others. However, the despair these products can bring is very real, too. Why is this mysterious duo collecting despair? What do this strange girl and her shadowy partner have in store for their customers...?