The new unreleased song "Q.E.D." is,

Nippon Television MIDNITE TV series "GRIMM Season 1"

It has been decided that this will be the ending theme song.

Broadcast starts on Wednesday, June 28th at 2:59am, Tuesday nights.
*Please check the program website for broadcast areas, etc.

GRIMM Season 1
http://www.ntv.co.jp/grimm1/