Dies irae was developed by Light .
Dies irae was was produced by Hattori Michisato and written by Takashi Masada , with art by G - Yuusuke and music by Keishi Yonao .
Dies irae was developed by Light , and was produced by Hattori Michisato and written by Takashi Masada , with art by G - Yuusuke and music by Keishi Yonao .