A group of high school girls conduct a test of courage for kicks, but something dangerous begins to threaten their everyday life. A traditional suspense horror begins!

*Note: Chapter count includes 24 regular chapters and 3 extras.*

Mirai Saito, 15 years old, mostly known as Mira. Her dream is to become a magical girl and change the world... but how can such a thing be real? Then, neither a magic fairy nor a magic book appears in front of her... but a notebook that hints at suicides! Mira's challenge to "transform" the reality around her now begins!

Ayako Kurumi is a high school girl, able to profile crimes very well in such a way that it leaves the police amazed. She identifies her classmate, the harmless Yoshii, as a serial killer. When she is asked about it by a friend on detail, does she begin to exhibit symptoms similar to love sickness...!? The romantic comedy of a genius girl who faces the feelings of love!