Fans noted that this episode felt more serious as it moved away from the "purgatory" of flashbacks to begin a concrete arc.
Reviewers from Anime News Network praised the introduction of the "Corpse" assassin for its dramatic flair, though some found the romantic fanservice involving Grete to be a distraction from the spy craft. Spy Kyoushitsu Episode 8
The episode leans into Grete ’s feelings for Klaus. When Klaus asks if she loves him, she stops him before he can reject her, asking him to withhold his answer until she is ready. Fans noted that this episode felt more serious