Bleach, Ao no Exorcist Recommendations
If you like the type of supernatural phenomenon, along with sword fighting and secrets, these could be for you. Both take place in modern times.
both have an organisation ( exorcists/shinigami ) fighting against creatures (demons/hollow) that attack humans
High scaled shounen manga that stands on same level as Naruto, One Piece, Fairy Tail. The world of Gods of Death is awaiting for you.
Blue Exorcist is a pretty similar concept to Bleach - purging darkness and evil, but sympathetically. They're both dramatic and comic, with pretty different main characters, but equal in their drive to do what they do, and rather uncontrollable [but hardly knowingly skilful] strength.