Invincible us

The dragon pilots’ mission to lead “Mitatsu” to the new place to rest has almost been completed. However, there is a great matter behind the thousands-year old ritual which has been strictly concealed. What actually is Ksuabime, and what kind of life has Sada walked through? Now Ritual is ending. In middle of a critical situation of this country, how will Hisone and Masotan make their decision? And what kind of future will they select?