(W) Kodachi Ukyou (A/CA) Tatsuma Ejiri Casshan?s most ruthless foe, the Buraiking Boss, has unmasked their greatest threat?none other than Emi?s own father, Kazumichi Kaido. With her world turned upside down, Emi is torn between family loyalty and the fate of humanity. As dark secrets rise to the surface, she must choose: stand by her father... or stand against him. And this time, the decision could change everything.