Original Title: 空色♡ Birthday Card - LOVERS HEART Vocals: Julia (CV: Aimi), Sayoko Takayama (CV: Yuri Komagata), Haruka Amami (CV: Eriko Nakamura), Chihaya Kisaragi (CV: Asami Imai), Reika Kitakami (CV: Emi Hirayama), Minako Satake (CV: Eri Oozeki), Yayoi Takatsuki (CV: Mayako Nigo), Tomoka Tenkubashi (CV: Kotori Koiwai), Yuriko Nanao (CV: Miku Itou), Noriko Fukuda (CV: Nana Hamasaki), Arisa Matsuda (CV: Rie Murakawa), Anna Mochizuki (CV: Shiina Natsukawa), Kana Yabuki (CV: Ibuki Kido) Composer: Ayato Fujiwara Lyricist: Junko Tsuji Arranger: Ayato Fujiwara From: THE IDOLM@STER MILLION THE@TER SEASON LOVERS HEART