Setting: Ansatsu Kyoushitsu In Tokyo, there are ghouls who prey on humans. As well as a Mach 20 alien going to destroy Earth in one year like the destruction of the 70% of the moon. Senya Yuki is your perfect-like girl, smart, beautiful and capable, but pure fear and darkness lies within her. A Tokyo Ghoul x Assassination Classroom crossover fanfiction.