Alternative Title: A Certain Magical Index

Type: Manga
Volumes: 8 and counting
Chapters: 46 and counting
Author: Kamachi Kazuma
Serialization: Shounen Gangan
Genres: Action, Magic, Romance, Shounen, Super Power, Supernatural

Synopsis: Kamijou Touma was an ordinary student living in Academy City, a place where technology is at least 30 years ahead of the outside world. There, the students have been given powers through science. But one day a girl named Index appears on Touma's balcony, claiming to have memorised 103,000 magic books. As various magicians come looking for Index, Touma finds himself in the middle of a world of science and a world of magic.

Resources: ANN | Mangaupdates | MyAnimeList

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Thought I'd post this since it's apparently being scanlated again.

Riceballicious-Overload - Chapter 46