A high-school-age girl attempts suicide, but finds herself at the mercy of a fanatical group calling themselves "DA." When a young woman carrying a photo of Last Order is pursued through the hospital, Accelerator determines to find out why.
It's because of me that so many
more people are going to die.
بسبب أنا الكثير من الأشخاص 
.الآخرين سيموتون
Ich bin schuld, dass unzählige
Weitere sterben werden!
Por mi culpa, morirán muchos más.
Por mi culpa, morirán muchos más.
Par ma faute,
des milliers de gens vont mourir.
Per colpa mia molte persone moriranno!
É por minha culpa que muitas
pessoas vão morrer a partir de agora!
И из-за меня…
скоро умрёт много-много людей!