《暗夜魔法使》以现代为舞台,讲述了一个自称为“暗夜魔法使”的魔法师们与异世界的魔物“侵魔”战斗的故事。200X年4月,“暗夜魔法使”与“侵魔”间的战斗逐渐激化成为了一场被称为“魔法大战”的战争。拥有能够结束这场战争的力量的人就是女主角志保艾丽丝。故事就从她作为“暗夜魔法使”觉醒并得到了 “谜之宝玉”的时候拉开序幕……
Night Wizard. A term given to those whose mission is to protect the world from impending darkness. Renji Hiiragi is one such Night Wizard, who is constantly called on missions, even though all he wants is to be able to go to school and graduate. However, his latest order was to protect Elis Shiho, who is a new transfer student at his academy. Being dragged into the Astronomy Club by Renji's childhood friend, Kureha Akabane on her first day at school, Elis soon realises that she too, has the power to become a night wizard, after possessing one of seven secret Jewels, the Jewel of Kindness. Along with Renji and Kureha, Elis now begins her fight and her new life, as a Night Wizard