In a follow-up review of the final volume, she wrote that the conclusion of the series was less confusing than that of Yuki's earlier work Angel Sanctuary (1994–2000) and thought the story was "well-executed," though it still had some flaws. Rating the series 3 out of 4 stars, Jason Thompson, author of Manga: The Complete Guide (2007), wrote that while it reminded him of Angel Sanctuary, it covered "more original subject matter" and had "tighter" plotting.
The reviewer provided a subsequent assessment of the final volume, comparing it to Yuki's earlier work Angel Sanctuary (1994–2000) and evaluating its conclusion as less confusing. Jason Thompson, author of Manga: The Complete Guide (2007), gave the series 3 out of 4 stars, noting that while it reminded him of Angel Sanctuary, it presented "more original themes" and had a more cohesive narrative.