ene keychain has a PSA: kagerou daze manga volume 3 appears to be going out of print. major stores such as barnes and noble, amazon, and rightstufanime have stopped stocking new copies.
What Japanese Readers Think of Light Novels: Kagerou Daze and Mimizuku to Yoru no Ou – Frogkun.com
Kagerou Daze | Light Novel - MyAnimeList.net
Kagerou Daze, Vol. 6 (light novel) eBook by Jin (Shizen no Teki-P) - EPUB Book | Rakuten Kobo United States