Granbelm

グランベルム

6.7(20,447)

MAL Score

Ranked #6857

Popularity #3383

Sci-Fi
Mahou Shoujo
Mecha

Episodes: 13
Duration: 24 min per ep
Aired: Jul 6, 2019 to Sep 27, 2019
Status: Finished Airing

Synopsis

Long ago, magic flourished—until its power was turned toward war. To bring the conflict to an end, seven mighty mages sacrificed themselves to seal magic away. Nearly a thousand years later, that seal, Magiaconatus, now presides over Granbelm: monthly battles held to decide which participant deserves the title of Princeps, the sole true mage.

During a full-moon night, high schooler Mangetsu Kohinata is abruptly drawn into an illusory realm where six mages are already competing. Taken for an enemy, she’s attacked until Shingetsu Ernesta Fukami intervenes with her Armanox, Viola Katze. When Shingetsu is targeted for shielding her, Magiaconatus bestows Mangetsu with an Armanox of her own—White Lily—pulling her into the fight and leading her to stand beside Shingetsu in Granbelm as they pursue a wish worth battling for.

Otaku Consensus

Granbelm landed as a niche original rather than a broad hit: critic write-ups tend to praise Masaharu Watanabe's direction, Jukki Hanada's compact 13-episode character writing, and the way Nexus turns magical-girl iconography into super-robot set pieces, while database reception stayed modest at 6.67 on MAL and 63/100 on AniList. The common criticism is accessibility rather than craft: its Armanox aesthetic and genre hybrid can feel too particular, leaving even positive reviewers to call it memorable but not universally easy to recommend.

Why You Should Watch

Watch Granbelm if you want the emotional pressure-cooker side of magical-girl anime without another manga or light-novel template: it is a purpose-built, 13-episode original where every design choice exists for animation. It scratches part of the Puella Magi Madoka Magica itch — girls, wishes, consequence, nocturnal unreality — but trades witches and abstraction for squat super-robot Armanox duels and henshin energy. The appeal is not scale; it is compression. Masaharu Watanabe and Jukki Hanada keep the cast conflict-focused, while Nexus leans into chunky mechanical motion instead of sleek idol-warrior posing. If you like Re:Zero staff-adjacent projects, battle royale formats, and female-led genre experiments that feel too strange to come from committee-safe adaptation logic, this is the kind of mid-score anime that becomes a personal favorite.

Key Characters

S
Shingetsu Ernesta Fukami(VA: Atsumi Tanezaki)
Shingetsu is the severe, guarded half of the central duo, the character viewers tend to remember for her strategic poise and tightly controlled emotional temperature.
M
Mangetsu Kohinata(VA: Miyuri Shimabukuro)
Mangetsu's appeal is how her ordinary-girl warmth becomes a dramatic pressure point rather than a default heroic setting, giving Miyuri Shimabukuro a role built on tonal shifts.

What Makes It Stand Out

1
Granbelm is an original TV anime from Nexus rather than an adaptation, a point several reviewers singled out as part of its appeal in a market dominated by source-material pipelines.
2
Its genre mix is not cosmetic: AniList tags it at Battle Royale 95%, Magic 93%, and Super Robot 83%, reflecting how the show frames personal conflict through both magical-girl and mecha grammar.
3
The production drew attention for Re:Zero-connected staff, especially director Masaharu Watanabe and original character designer Shinichirou Ootsuka, while series composition was handled by Jukki Hanada.
4
The character-design chain is unusually clear in the credits: Ootsuka provided the original character designs, Kei Imanaka served as character designer, and Daichi Kitahara handled prop design.
5
AniList's Primarily Female Cast 89%, Female Protagonist 84%, and LGBTQ+ Themes 44% tags point to why the series is often discussed less as a conventional robot show and more as a female-led emotional conflict piece.

Fun Facts & Trivia

Fun fact 1: Granbelm aired as a finished 13-episode summer 2019 TV anime, running from July 6 to September 27, 2019.
Fun fact 2: Its reception numbers show a sharp niche profile: MAL lists it at 6.67 from 20,435 votes, with a rank of #6859 and popularity of #3380, while AniList records 63/100 and 274 favourites.
Fun fact 3: Anime Corner's 2020 review called it a fantastic series while explicitly warning that it is not a show for everyone, a neat summary of its enthusiastic-but-limited appeal.
Fun fact 4: A 2025 Talk This! replay review described it as only pretty good in many ways, yet more special and memorable than some stronger adaptations because it was built as a fresh original anime concept.
Fun fact 5: The main animator credits include Kana Ishida, Usaku Myouchin, Jimmy Stone, Yasuyuki Noda, and Kazuya Nakanishi, underlining how much of the show's identity depends on action and mechanical performance rather than source-material replication.