The Angel and the Demon | Yukio Okumura (Blue Exorcist / Ao no Exorcist)

Yukio Okumura x OC | Born to protect is what he and she have in common; he swore to protect the spawn of Satan, and she's cursed to protect the world. In reality, they are opposites, yet they came across each other and they became good companions. Trained to accomplish their mission, they soon realized they both felt...