The Trapped Two - S1.E7

Kazuma is taken to a facility where he is studied and forced to fight an Undead. Sakuya encounters a mysterious Undead named Isaka, but was forced to retreat. He later meets up with Shiori and Kotaro and goes to find Kazuma. Hajime finds Isaka and follows him to where Kazuma is being held. After watching Blade fight, he joins the fight against Blade. Garren shows up to assist Blade but is overcome by the Trilobite Undead.