Yagyu Muneakira Arrived At Buou Academy To Take Care Of The Recently Abandoned Shinkage Dojo There He Met Yukimura And Matabei Students From The Toyotomi Faction Who Proclaimed That They Were On A Secret Mission To Oust The Tokugawa Shogunate Influence Over The Student Body Soon After A Group Of Assailants Led By Hanzo Hattori Ambushed Them Intending To Seize And Bring Them To The Tokugawas Unable To Convince Hanzo So Muneakira Helped Yukimura alAnd Matabei Escape Via A Hidden Exit The Enemy Caught Up With Them Near A Bridge Over A River But Muneakira Pledged To Fight And Protect Both Out Of His Personal Samurai Ethics At The Nick Of Time A Bright Light Flashed In The Sky Followed By A Young Girl Falling On Muneakira Arms And She Addressed Him As Onii-Chan And Kissed Him Causing A Blast Of White Light Then The Girl Transformed To A DaishĹŤ Set-wielding Master Samurai Named Yagyu Jubei