Issa Hentona

Mai and her friends have an inseparable bond since childhood. But as of late, their friendship is questioned when their romantic relationships get in the way of others. But before Mai can make amends, she is unfortunately killed in a traffic accident. Distraught with her death, Mai's father implements his ongoing research of recording a person's memory into a microchip. His years of work finally pay off and Mai is alive again--through a computer. (imdb)

The history books say that when Sougo Tokiwa collected all the Heisei Ridewatches, he became Oma Zi-O, King of Time. But history isn't always what's written in books. What happens when the Quartzers appear and try to rewrite the history of the Heisei era? And who is Sougo if he wasn't born a king?