The main character, Aporou, transports the tomboy princess to the royal capital, Oswell. On his way to the "Parabellum" base, he meets a young man weeping while holding the dead body of a young woman. Meanwhile, Ogrekichi, who has defeated a labyrinth boss, completes his evolution and returns to his base. Thus, the two demons, who have completed their warrior training in the human habitation area, meet for the first time in a long time. To celebrate their safe reunion, they immediately exchange fists...