In the war-torn Hizen region, Mana-hime struggles under constant pressure from Imae Higonokami Yoshinori's advancing forces and the string of defeats that follow. Facing the possibility of surrender, she turns to her strategist Yukiran, whose bold plan aims to lure the enemy into a decisive trap. Official Uneme, driven by personal grievances, lends support to the scheme. As preparations begin, the unfolding strategy draws not only soldiers but unforeseen complications that test loyalties and resolve.