Or is it a delightful furniture-sized cat?
Neko-Kagu is a line of furniture that started out as children's furniture, then got shrunk down to accommodate cats. They have a living room and a bedroom. Via Spoon & Tamago:
In fact, they're really just miniature versions of actual pieces the furniture makers have designed. The cat sofa was designed and produced by Hiromatsu Furniture (who we've written about in the past). The cat bed was designed and produced by Tateno Mokuzai.