Trinity Seven, Vol. 9: The Seven Magicians (Trinity Seven, 9)

Arata has obtained the power of Judecca, the Black Imperial Sword! But Abyss has a Demon Lord Weapon of his own--Caina, the Red Emperor Sword! As the clash between the two Demon Lords comes to an earthshattering climax, will Arata be able to achieve victory and save Lilith?!