First published in Japan in 2004 by Kadokawa Corporation, Tokyo. Translated from the Japanese.
Summary:
"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 meets her own clone. That's only the beginning of a chain of events that leads Touma and Mikoto to face their deadliest foe yet" -- back cover.
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