Nageki no FRACTION/A Fraction of Grief (嘆きのFRACTION/한탄의 FRACTION) by Azusa Miura/三浦あずさ/미우라 아즈사 (CV.Chiaki Takahashi/たかはし智秋)

Composer: Noriko Fujimoto (藤本記子) Lyricist: Noriko Fujimoto (藤本記子) Arranger: Masayuki Fukutomi (福富雅之)

from THE IDOLM@STER LIVE THE@TER PERFORMANCE 07 (2013)