A Certain Scientific Accelerator Vol. 12 (manga)

FROM ANTI-ZERO TO ANTI-HERO

As the battle between Accelerator and Full Course races toward its end, one young girl still can't escape the darkness of Academy City. To save her, Accelerator must behave like a true villain. Witness his descent as this spin-off about the worst of all heroes crashes headlong into its climactic final volume!

The final volume!