Satsuki's past... The reason she became 'Usotsuki'. "You... are going to die tomorrow." Minazuki Satsuki, 16 years old. A typical high school second-year student, except for being an introvert who delivers 'death sentences' to her classmates. Her nickname is 'Usotsuki'. With the ability to see 'death 24 hours later', she calculates the cause of death and, along with her friends, rewrites the unreasonable future. An introverted high school girl risks her life to avoid her fate in this shocking and astonishing horror suspense!! A bonus manga drawn exclusively is also included at the end.