Kougekiryoku Zero Kara Hajimeru Kenseitan攻撃力ゼロから始める剣聖譚; Zero Damage Sword Saint; Tale of the Sword Saint Beginning with Zero Attack Power; Câu chuyện của Kiếm sĩ vô năng trên con đường trở thành Thánh Kiếm; The Master Swordman's Story Starts with the Zero Ability to Attack

While Eugene was blessed with an extraordinary talent for defensive magic, on the other hand, he had no aptitude for offensive magic. Ridiculed as incompetent by those around him, he enrolled in a magic academy to run away. However, there, his “useless” defensive magic was highly valued, and astonishingly, he was appointed as the caretaker of the beautiful Demon Queen, Erynyes, who once ruled the world—!?