攻撃力ゼロから始める剣聖譚 ～幼馴染の皇女に捨てられ魔法学園に入学したら、魔王と契約することになった～, Kougekiryoku Zero kara Hajimeru Ken Hijiri Tan: Osananajimi no Oujo ni Suterare Mahou Gakuen ni Nyuugaku Shitara, Maou to Keiyaku Suru Koto ni Natta, The Master Swordsman’s Story Starts with the Zero Ability to Attack, Tale of the Sword Saint beginning with Zero Attack Power

Although Eugene was blessed with an extraordinary talent for defensive magic, he had no talent for offensive magic. He is ridiculed as incompetent by those around him and enrolls in a magic academy to escape. However, his "useless" defensive magic came in handy there, and as expected, he was assigned to take care of the beautiful Demon King Erinyes, who once ruled the world...!?