While taking a field trip with their middle school peers, Kaguya and Himawari, who have been friends since they were young, are seized by the covert association called Millennium. This malevolent entity has gained notoriety for the chaos it has caused, but could it be that they are not as villainous as they seem? Once Kaguya catches a glimpse of the inner workings of Millennium, her perspective shifts, and she discovers the reality that lies beneath her existence. As she is now empowered with the ability to metamorphose into a mystical being, what direction will she opt to take?
