Utagumi Setsugetsuka

was a temporary group made of voice actress of the anime Unbreakable Machine-Doll

Members

 * Harada Hitomi as Yaya (夜々)
 * Kayano Ai as Irori (いろり)
 * Ogura Yui as Komurasaki (小紫)

Singles

 * [2013.11.27] Maware! Setsugetsuka
 * [2013.12.25] Unbreakable Machine-Doll Special Song CD