This is an art book of the Catgirl Syndrome series, along with a postcard and a Cheki-style card that I received at the time. The art book is signed. I've had the Cheki-style card on display since then. If you'd like, I'll include the stand I used to display the Cheki-style card. As a bonus, I'll include an "Ad-Machip" Akihabara tourist map from a few years ago, when Mr. Nekotaro was in charge of the illustrations. Please note that this is amateur storage and inspection, so please refrain from purchasing if you are sensitive to such things. Thank you.