Yu Yu Hakusho - Settle the Score
Yusuke Urameshi has survived many battles in life, death, and beyond.  But as his teacher and mentor heads toward her own destruction, the Spirit Detective finds himself unable to do anything about it!  Still locked in a deep slumber recovering from his ordeal, Yusuke dreams away as the nightmarish confrontation between Genkai and Toguro  begins.  The history of Genkai and Toguro is finally revealed as the last chapter of their twisted relationship turns the page on a new beginning in Yusuke’s life.