Description:

Iroha is an average student newly enrolled in Cipher Academy, a Spartan school where students must crack code after code after code with barely enough time to catch their breath! Then a mysterious person named Kogoe gives Iroha an unusual pair of glasses with a crazy secret behind them! (Source: MangaPlus)

Alternative Titles:

暗号学園のいろは, Angou Gakuen no Iroha