[JP] Sankarea

[WTK]

Amazon Japan listings: Vol.1 (http://www.amazon.co.jp/dp/B007QR4LQE), Vol.2 (http://www.amazon.co.jp/dp/B007QR4LRS), Vol.3 (http://www.amazon.co.jp/dp/B007QR4LQO), Vol.4 (http://www.amazon.co.jp/dp/B007QR4LPA), Vol.5 (http://www.amazon.co.jp/dp/B007QR4LQ4), Vol.6 (http://www.amazon.co.jp/dp/B007QR4MGS)

Vol.1 to Vol.5: 7140yen each; Vol.6: 8190yen

via CD Japan | Vol.1 (http://www.cdjapan.co.jp/detailview.html?KEY=PCXE-50181) - 6/29
Special Features: textless intro & outro, audio commentary, and setting guides

(source (http://www.neowing.co.jp/detailview.html?KEY=PCXE-50181))

[superdry]

The following bonuses from HMV (at least for buying BD).

Vol. 1 - slim poster. Disclaimer that overseas shipment is excluded.
Vol. 2 through 6 - bromide (no exclusion disclaimer).