However, Jōji Yanami's roles as Kaiō-sama and the narrator were indefinitely taken over by Naoki Tatsuta as of episode 12, so that Yanami could take medical leave.
Akan tetapi, peran Joji Yanami sebagai Kaio-sama dan narator secara tidak pasti diambil alih oleh Naoki Tatsuta di episode 12, supaya Yanami bisa melakukan perawatan.