| General Unit Data
ACM is a unit that appeared on the second CD of THE IDOLM@STER MASTERPIECE series.
ACM is a unit created as a follow up from the unit HYR. It is a friendly unit to both HYR and IYAM, which are both made up of idols who appeared in the arcade game. This unit is known for being the vocal powerhouse of the arcade trios.
Drama CD Recordings
- This is the only unit to never sing together on another CD as a trio from the arcade units.
- Weekly THE iDOLM@STER Volumes included art and interviews from these members.
- This unit sometimes goes by the fan nickname Gachi Trio (ガチトリオ).