Olu ngcelele lwenzeka kwiminyaka emine emva kweziganeko zeMagical Girl Lyrical Nanoha StrikerS, ngexesha apho intombi yomlingo uNanoha Takamachi wahlangula kwaye wamkela intombazana encinci egama linguVivio, ozalwa ngokutsha kweSankt Kaiser, uOlivie Segbrecht. Emva kokungena kunyaka wakhe wesine kwisikolo samabanga aphantsi, uVivio unikwa esakhe isixhobo sobulumko, iSacred Heart, kwaye ufumana amandla okuguqula esebenzisa imowudi yakhe yaseSankt Kaiser. Kungekudala udibana nentombazana egama lingu-Einhart Stratos, efana noVivio, inzala yomnye umlawuli waseSankt Kaiser, uClaus GS Ingvalt. Njengoko u-Einhart ezimisela ukubonisa ukuba isitayile sakhe sokulwa sesona sinamandla, uVivio uba ngumhlobo wakhe kwaye, ekunye nabahlobo bakhe, bangena kukhuphiswano lwekarate apho balwa nabachasi bomlingo abohlukeneyo kwaye bafunde ngakumbi ngobomi babo bangaphambili.
