The Kamakura's Facility Guards are minor characters in the pilot episode of the anime series, Elfen Lied, being quickly assassignated by the main hero of the story. The death footage of the guards is used in the Non-Disney Villains Tournament, in order to show the brutality of the evil virus, Thrax.
Non-Disney Villains Tournament
Hired by Korso and Preed, the Guards are tasked to prevent the imprisoned and unconsious Thrax from escaping from his cell. Matters get worse, when Thrax awakes and slaughters every security guard, one by one. Before the last guard would make his escape, Thrax impales him with his finger claw, leaving Korso and Preed to deal with Thrax personally.