the one hu brigns the storm

issei a normal smarter than most boy with a loving family but that mostly changed because he and his sisters meet two girls sona sitri and rias gremory that changed their life even tho issei never had a sacred gear only almost unmatched water magic control his family still love him out of pity he joined the gremory peerage but her sisters joined the sitri peerage mostly but when rias found someone he she thought was better she changed him but the pieces were already out of his body before because of his sheer power leaving with a broken heart because even tho she was a bit cruel with him he loved her but she never knew what kind of a being she would bring out a being that where ever he is a storm is do to follow as he returned different a bit now better looking and more royal like but his personality changed he was now a smart battle loving and caring person but what kind of crazy storm would he bring after returning