( BTW!! Cover made by @TashieReen.. Go check her out!! ) Amaya Akabane the twin sister Karma Akabane returns to Osaka,Japan from England. Her unexpected arrival shocked Karma that he was not informed. She was sent by their uncle back to study high school in Kunugigaoka Junior High. But she's going to Class E. These two are great assassins and very intelligent. Now they start competing on which one of them is going to kill Koro-sensei.