A certain unlikely hero... Touma Kamijou has the worst luck imaginable... Sure he's a citizen of Academy City, a scientific marvel of the modern world where superhuman abilities are artificially cultivated...

Touma Kamijou is the unluckiest boy in Academy City. Having settled the magical side of his problems for a while, the scientific side of things starts to heat up when Touma's rival-turned-friend Mikoto...

A certain unlikely hero... In Academy City, where superhuman abilities are scientific reality, Touma Kamijou is trying to reconstruct a life for himself, but that's easier said than done with a girl...

A certain unlikely hero... Touma Kamijou has gotten permission to leave Academy City and goes on a beach vacation with his family. But somehow no one is who he remembers--and a certain magical spell...

The Daihasei Festival--a huge athletics festival attended by every school in Academy City, where the superpowered students attending these institutions gather to compete in a wide variety of competitions....

Seven days have passed since the start of the Daihasei Festival, one of the biggest events of Academy City. Everyone is participating--Seiri Fukiyose is helping coordinate the games, Komoe Tsukuyomi dresses...

Life has mostly returned to normal for the high schooler who knows nothing but misfortune, Touma Kamijou. But in a stroke of unbelievably good luck, he manages to snag two tickets for an overseas getaway...

A certain unlikely hero... It's the first day of a new semester in Academy City. The day a mysterious transfer student appears at Touma Kamijou's school. The day Index makes her first friend. The day...

Tokiwadai Middle School--a place bathed in the envious gazes of all the schoolgirls in Academy City. Every single one of its female students is a proper young lady, and none more so than Mikoto Misaka....

A certain unlikely hero... August 31. The day Accelerator meets a strange girl in a back alley and he's sure he's seen her somewhere before. The day Mikoto Misaka finds herself asked on a date by a...

(Volume 6) Accelerator has killed thousands of Sisters--clones of Mikoto Misaka designed as cannon fodder to bring out his true abilities. But when a stunted Sister calling herself "Last Order" asks...