mygo, but Cthulhu

Shoko Toyokawa found that inexplicable conditions were occurring to her body. At the same time, more and more strange and terrifying things happened until she was overwhelmed.The era of big girl bands should have been full of the glittering glory of dreams, and the world should have been free of darkness and malice. However, everyone gradually realized that all this was far from as simple as they had originally imagined, and the real appearance of the world was hideous and terrifying.In the long eternity, darkness and madness slowly surged.