Castle of Betrayal.The episode begins with Ten-i explaining to the sworn brothers about Choushuu Britova, the Governor of En (宛). Choushuu joined Sousou's army out of admiration, and shares the same goal with Sousou, that is to unify Mirisha through force. Choushuu has invited Sousou to En for the completion of the En Castle, and Sousou invited the sworn brothers, to let them understand that there are other warlords that share his vision. As they depart, Ten-i continues to praise highly of Sousou, how Sousou let a lowly bandit like himself serve him, and that it's his will to carry out Sousou's vision...