Using Rei and Ibukimaru's techniques, and Cat-girl's life, a portal is opened to another dimension. Mana searches for Kitaro, racing into that place which is neither this world nor the other. Finally, she catches sight of Kitaro, but...!? Meanwhile, moment by moment, the earth is pushed closer to the tipping point by Backbeard. How will this war end, and will Kitaro return?!
Rei, a wavering spirit means
a wavering spell.
.ري، تردّد الروح يعني تردّد التعويذة
Rei, wankt deine Überzeugung,
so wankt auch der Zauber.
Rei, un espíritu que flaquea
lanza un hechizo que flaquea.
Rei, un espíritu que flaquea
lanzará un hechizo que flaquea.
Rei, à cœur indécis,
sortilège incertain.
Rei, il turbamento nell'animo 
è turbamento nella tecnica!
Rei, uma perturbação no seu coração
é uma perturbação na sua técnica.
Рэй, если дух сомневается — 
сомневается и его заклинание.