The cumulative effect of the art and story is a new gold standard for what animation can do with genre fiction.
Unknowingly, this short summer trip leads to a stronger bond between Kenji and Natsuki, and he was required to act as her finance to fool her family.
Saga, the prefecture of Japan that the idol group is looking to bring life back to, seems to be under a curse causing unfortunate accidents to happen to it, preventing it from ever flourishing.