If you're looking for manga similar to Blue Exorcist (Light Novel), you might like these titles.
Who must be protected is a still immature "holy mother". Who must be cleansed is a demon who leads people astray. The ones who carry this burden is the student council's vanguard division. The school ground turns into the stage. The curtain of the exorcists' battle has opened!
Yuuto Amakawa has had a tough life. Seven years ago, both of his parents were tragically killed in a car accident, leaving him without a single living relative. His friend Rinko Kuzaki has taken care of him every since. Yuuto's sixteenth birthday has arrived, but instead of a birthday gift of a normal life he meets Himari, a catgirl samurai who swears to protect him. Within weeks Yuuto's life is thrown into chaos as his family's dark past comes to light. With demons appearing around him, Rinko and Himari fighting for his attention and a sinister plot beginning to surface, can Yuuto live the normal, safe life he wants so badly?
"Exorcists" are the protectors of the human world with sole responsibility to deal with the evil demons that come from the magic world. Lan Ximing, a normal student, unexpectedly meets a demon named Nilu and a fantastic journey unfolds before them. Here lies an unimaginable tale that is just waiting to be experienced!
The apocalypse is not only near, but a certainty. Set before the event and the aftermath detailed by the hit manga, this stand-alone prequel light novel series chronicles the inexorable approach of the reign of vampires. Witness the trials of Guren Ichinose, who must hide his true strength even as he is trampled on at an academy for the insufferably privileged.