「PLEDGE – the GazettE」Wiki
"Pledge" is a maxi-single featuring a winter ballad by the Japanese rock band, The Gazette. It was released on December 15, 2010 in two editions; the "Optical Impression" edition, "Auditory Impression" edition. The first edition has two types, A and B. Type A includes two songs "Pledge" and "The True Murderous Intent", and a DVD containing the music video and making for the song "Pledge". Type B also includes two songs, and a DVD which contains three songs of their latest concert. The second edition comes with a bonus track "Voiceless Fear".
(Wikipedia contributors. "Pledge (The Gazette song)." Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, 27 Apr. 2014. Web. 24 May. 2014.)