Shane

Test Subject Shane Special Agent Shane Demon Sealer Shane Ashen Blade Dancer Shane

Story
Originally a normal human, but unfortunately chosen as the subject for the experiment of stregthening human body with demon blood. The experiment did succeed in making Shane stronger, but it has one side effect, the demon blood will take her body one day and she will go berserk. And it did come true, but fortunately Shane already make a Seal to hold the demon from taking over.