On April 4th, Sekihan will release his 3rd major album "Exit Tunes Presents Sekihan the Treasure". Catalog code is QWCE-00222, price is 2,000 yen. Participating artists are Hyadain, UtsuP, that, halyosy, and more to be announced. First press tokuten is a rubber key holder, random of one of the designs shown in this image.

AmazonJP: http://www.amazon.co.jp/EXIT-TUNES-PRESETNS-SEKIHAN-TREASURE/dp/B006U9EKDI
Info from his blog post: http://ameblo.jp/sekihan-yoshie/entry-11132267231.html