Working as a Security Guard at the School, the Identity of the Armored Warrior Was Discovered

He is a warrior who guards the gate to another world. He has killed thousands of supernatural beasts. He has made the army of supernatural beasts frightened. Even the owner of the supernatural beasts has a headache when he thinks of him. Now, he chose to retire and worked as a security guard at the school, guarding the school gate. Until one day, a supernatural beast attacked his school, and the armor soul engraved in his DNA surged again. He summoned the armor to drive these supernatural beasts away! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.