6 months

2021 (tentative)


On August 21, 2021, AAAAAAAAA Corp. announced the half-year anniversary of O!/Carousel's KEC Simulator. Then, on August 30, 2021, the logo for the anniversary was created. It was used from August 30 at 11:30 AM to October 31st, 2021. On November 1st, 2021, the logo ceased to be used.