In a vast frozen waste, twins Sou and Seiji have been fighting each other for millennia. Ms. Aki says that to change the world, they need the twins' "Reverse" power, and Nagara and Mizuho come to assist. Yamabiko questions Sakura, one of Mizuho's cats.
there is only the duel
between me and my brother!
لا يوجد سوى القتال 
!بيني وبين أخي
solo existe el duelo
entre mi hermano y yo!
existe apenas o duelo
entre mim e meu irmão!