: A Japanese "proper paper" art and guidebook containing character designs by CLAMP , interviews, and high-quality production illustrations.
If you were looking for a involving "Blood C," you might be referring to: Blood-C
There is no specific official item known as a "Blood-C proper paper," but this likely refers to either the or a high-quality art book . If you are looking for the physical, "proper" paper versions of the Blood-C story or its official artwork, these are the primary releases: Official Paper Releases : A Japanese "proper paper" art and guidebook
