My name is Shimohei Ijotaro.
There is a reason he was assigned at this time, not even at the beginning of the school year.
That is-the secret of Mizuki and Minami who encountered so on the first day …
What I heard there was a mysterious surge in grades of his colleague’s classic teacher, Hinako Kuji’s younger sister, Mahiru.
And the sign of her older sister, Hinako’s darkness. In addition, Mizuki’s habit of skipping that disturbs her circle.
–Rehabilitate students who disturb the discipline of the school …
Now here is the storm of Purge.
