The world is not always as peaceful as human's live. Chaos keeps rising in mystery when deaths suddenly taking turn on humanity. Miriana, an unknown warrior decided to embark her own journey to the endless battles to save humanity from the malicious unseen evil by human' eyes, rumor has it that she has a devilish left eye. Now her path has come to the point where Devil Huntress Miriana obtains the unique skill: weapon&armor transformation that allows her changing her battle armors and epic weapons during the fight. She joins in Hello Hero battle to have the final destined duet between her and the final boss, Devil king Beelzebub, to end the mysterious of unknown deaths.