This is a cushion cover, pillow cover, towel, or cloth.
Proof that bookworms can be sexy, Kotonoha Katsura from "School Days" lounges on both sides of this pillow cover with her clothing in various stages of disarray. The pillow cover measures 150 x 50cm and is made from durable 100-percent polyester; simply add a cushion form of the correct size and you've got a huggable pillow!