The Voice Behind THE IDOLM@STER SideM

THE IDOLM@STER SideM is separated into multiple (sub)units. The concept is slight different the original IDOLM@STER but slightly similar to THE IDOLM@STER CINDERELLA GIRLS. Five units have made their appearance in their first live which is my base on making this post. Here are the five units and their members.


  • 松岡禎丞 Matsuoka YoshitsuguIm@s_SideM_MatsuokaYoshitsuguNickname : Tsugu Tsugu
    Character : MItarai Shouta
    Born : September 17, 1986
    Height : 165 cm
    Office : I’m Enterprise
    Official Website :


  • 内田雄馬 Uchida YuumaIm@s_SideM_UchidaYuumaNickname : Yuu-kun, Yuumataso, Taso
    Character : Sakuraba Kaoru
    Born : September 21, 1992
    Office : I’m Enterprise
    Siblings : Uchida Maaya (Big Sister) (THE IDOLM@STER CINDERELLA GIRLS)
    Official Website :





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