Complex sentence: The ending theme used in episode 12 is by Yuto Amakawa (Daisuke Hirakawa), which was included in the album, released on March 31,2010.
Split into simpler sentences: The ending theme used in episode 12 is by Yuto Amakawa (Daisuke Hirakawa). These songs were later featured in the album, released on March 31,2010.