The council's rampage sends quakes through the demon realm, and the demon Chaos is called forth through a giant magic circle. That commander of all heroic spirits flails madly, seeking to claim Basara, Mio, and Leohart's lives. Do they even stand a chance of victory with this supreme being before them?!
Meanwhile, Maria, Yuki, and the others put a final end to their own personal battle.
"Believe in me... once more."
The ultimate sibling combo risks their lives to face the disaster striking all of the demon realm!
The older sister makes 
her gallant appearance.
Hier kommt der ritterliche Auftritt
der großen Schwester.
¡La hermana mayor entra en escena!
¡La hermana mayor entra en escena!
La grande sœur
entre vaillamment en scène.
La sorellona fa la sua valorosa comparsa.
A Onee-chan faz sua aparição triunfal.
Неожиданное появление сестры!