【MU:】 forms.
【MU:】 holds their first live.
【MU:】 signs with Sherow Artist Society.
【MU:】 goes on hiatus after Vo.AIKA is diagnosed with a vocal chord polyp.
Vo.AIKA departs.
【MU:】 officially disbands
【MU:】 was a visual kei band. They were active from 2012 to 2018 and are now disbanded.