- Stage Name: Machico
- Real Name: Saito Machiko (齊藤真知子)
- Birthday: March 25, 1992
- Birthplace: Hiroshima, Japan
In 2011, Machico participated in Horipro's 36th Talent Scout Caravan, but lost Tadokoro Azusa. However, she and several other finalists were offered a contract with Horipro. She made her music debut in 2012 and in October of the same year held her first solo concert at Rock Maykan.
- [2015.04.08] COLORS II -RML-
- [2012.05.23] Magical Happy Show!
- [2016.01.27] fantastic dreamer
- [2016.11.09] Yuuki no Tsubasa (勇気のつばさ; Wings of Courage)
- [2017.02.01] TOMORROW
Notable Seiyuu Roles
-  Seiken Tsukai no World Break - Sophia Mertesacker
-  THE IDOLM@STER MILLION LIVE! - Ibuki Tsubasa
-  THE IDOLM@STER ONE FOR ALL - Ibuki Tsubasa