Quote from Anime News Network 476e1s

The homepage for writer Kenji Saito and artist Akinari Nao’s magic harem comedy manga Trinity Seven ~ 7-nin no Masho Tsukai will be getting an anime adaptation. The manga stars a teen boy who enrolls in a magic school in order to learn how to undo the apocalypse that destroyed the Earth. At his school, he meets 7 beautiful female magic s. The manga premiered in 2011 and presently has 7 collected volumes.

[color=violet]Tournament Round 1[/color]
[color=blue]Round 2[/color]
[img]http://i.imgur.com/CcwHreL.png[/img][img]http://i.imgur.com/aQ0E4sC.png[/img]

http://trinity-seven.wikia.com/