New CDs are being released one after another from Million Live! THE IDOLM@STER MILLION LIVE! Solo Music Series Vol. 4! Contains total 5 solo songs by Miki Hoshii (CV: Akiko Hasegawa), Emily Stuart (CV: Yu Ikuhara), Tsumugi Shiraishi (CV: Saki Minami), Rio Momose (CV: Rikako Yamaguchi) and Kana Yabuki (CV: Kinobuki Kido). Newly illustrated cover artwork.