Sites:
| Animé Café Reviews: Includes episode reviews and parent's guide. | | Anime Critic: Rated 5/5. "A brilliant anime. It's somber, moving, compelling, and ultimately, quite enjoyable." | | Science Fiction Weekly Review: Rated A+ by Tasha Robinson. "As it reaches its halfway point in volumes three and four, Key: The Metal Idol shows no signs of slowing or wandering." | | Science Fiction Weekly Review: Rated A+ by Tasha Robinson. "Sato ends each episode on a pause, a moment of sudden recognition and welling emotion between moments." |
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Classical
