Ep 6. Zack Is the Only One Who Can Kill Me.

Zack Is the Only One Who Can Kill Me is the sixth episode of the first season of the anime series, Angels of Death. The episode begins with Rachel and Zack descending further into the depths of the building they're trapped in. After narrowly avoiding death at the hands of a sadistic doctor, they find themselves facing off against even more deadly opponents - a pair of skilled assassins who are tasked with tracking them down and killing them.

As Rachel and Zack attempt to evade their pursuers, they're forced to confront their own mortality and the reasons why they've both ended up in this deadly game of cat and mouse. Along the way, they must also confront the reality of their feelings for each other and whether or not they can learn to trust one another enough to survive.

Throughout the episode, tension and suspense build as Rachel and Zack navigate the labyrinthine corridors of the building, narrowly avoiding death at every turn. Meanwhile, the assassins hot on their trail use every trick and tactic at their disposal to track down their targets, putting Rachel and Zack's relationship to the test and forcing them to make difficult choices to stay alive.

As the episode progresses, Rachel and Zack become increasingly desperate to find a way out of their predicament. They're forced to rely on each other more than ever before as they confront their darkest fears and deepest desires. By the end of the episode, they're left facing an impossible choice - stay together and risk death, or go their separate ways and face a potentially worse fate.

Overall, Zack Is the Only One Who Can Kill Me is a thrilling and intense episode that showcases the best of Angels of Death's action, suspense, and dramatic storytelling. Fans of the series will be on the edge of their seats from start to finish, as Rachel and Zack continue their fight for survival in a world that seems determined to destroy them.