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IMDbPro

Glass Heart

Original title: Gurasu Haato
  • TV Series
  • 2025–
  • TV-14
  • 40m
IMDb RATING
8.1/10
960
YOUR RATING
POPULARITY
1,083
369
Yu Miyazaki, Takeru Satoh, Keita Machida, and Jun Shison in Glass Heart (2025)
A college student and aspiring drummer gets unexpectedly ousted from her band. But her luck changes when the talented musician Naoki Fujitani discovers her skill and invites her to join his new ensemble.
Play trailer2:09
1 Video
8 Photos
DramaMusic

A college student and aspiring drummer gets unexpectedly ousted from her band. But her luck changes when the talented musician Naoki Fujitani discovers her skill and invites her to join his ... Read allA college student and aspiring drummer gets unexpectedly ousted from her band. But her luck changes when the talented musician Naoki Fujitani discovers her skill and invites her to join his new ensemble.A college student and aspiring drummer gets unexpectedly ousted from her band. But her luck changes when the talented musician Naoki Fujitani discovers her skill and invites her to join his new ensemble.

  • Stars
    • Takeru Satoh
    • Keita Machida
    • Jun Shison
  • See production info at IMDbPro
  • IMDb RATING
    8.1/10
    960
    YOUR RATING
    POPULARITY
    1,083
    369
    • Stars
      • Takeru Satoh
      • Keita Machida
      • Jun Shison
    • 29User reviews
    • 9Critic reviews
  • See production info at IMDbPro
  • Episodes10

    Browse episodes
    TopTop-rated1 season2025

    Videos1

    Trailer - Season 1 [OV]
    Trailer 2:09
    Trailer - Season 1 [OV]

    Photos7

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    Top cast21

    Edit
    Takeru Satoh
    Takeru Satoh
    • Naoki Fujitani
    • 2025
    Keita Machida
    • Sho Takaoka
    • 2025
    Jun Shison
    Jun Shison
    • Kazushi Sakamoto
    • 2025
    Akari Takaishi
    • Yukino Sakurai
    • 2025
    Naohito Fujiki
    Naohito Fujiki
    • Kazuhiro Isagi
    • 2025
    Yuuki Luna
    Yuuki Luna
    • Akane Saijo
    • 2025
    Andrew Grace
    Andrew Grace
    • Naoki Fujitani
    • 2025
    Kate Marley
    Kate Marley
    • Toya Shinzaki's Fan
    • 2025
    Yu Miyazaki
    • Akane Saijo
    • 2025
    You
    You
    • Momoko Saijo
    • 2025
    Erika Karata
    • Miyako Kai
    • 2025
    Reini
    • Masahiro Arisugawa
    • 2025
    Miku Uehara
    • Eiko Komori
    • 2025
    Masaki Suda
    Masaki Suda
    • Toya Shinzaki
    • 2025
    Pistol Takehara
    • Genji Kamiyama
    • 2025
    Ell
    Ell
    • Miyako Kai
    • 2025
    Yuki
    • Hospital Director
    • 2025
    Takayuki Yamada
    Takayuki Yamada
    • Rêji
    • 2025
    • All cast & crew
    • Production, box office & more at IMDbPro

    User reviews29

    8.1960
    1
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    4
    5
    6
    7
    8
    9
    10

    Featured reviews

    10May_Namer

    Big shout out to the audio/sound/music group

    Only watched the first episode. But I feel compelled to review. Who the hell is responsible for the audio/sound/music? 'Cause it is freaking awesome. How the ambient sounds fill the spaces in the backgrounds, give me goosebumps. The emotions come alive here.

    Why am I only crediting the audio group? Been years since I've enjoyed a tv series or movies (last one I've enjoyed is Bocchi the rock). I thought I only enjoy musical shows. But this series - Glass Heart makes me realise that it's the ambient sounds. The screen is like a stage, there are spaces to be filled. There are times when it is fades in and fades out. There are places in need of the bass, the mids, the trebles. And I mean not particularly to be filled with instruments. Just the sound of a simple drop of a pen off the table can fill a particular shot. Silence all the times the dialogues are spoken makes the sound dead. It creates a doll. Heck, even puppet shows back then are alive.

    Enough rambling. A BIG SHOUT OUT TO THE AUDIO GROUP! You guys rocks!

    Back to real life.
    9Snow90020

    Love

    Love love loved it. A little cheesy at times but just what i needed.

    If you're looking for good vibes and a heart warming story that doesn't get too cringey over and over again.. this might be just what you need right now.

    I really enjoyed the tunes and watching the bands journey although Naomi is basically a wizard...
    10RachelG-61

    The Music That Held Them Together!

    This film was such an eye-opener - raw, emotional, and at times heartbreaking. It beautifully captured the struggles and meaning of life through the eyes of musicians. Every episode had purpose; not a single one felt dull. What touched me most was their growth - how they supported each other through pain and uncertainty. They wanted to walk away, not out of selfishness, but because they believed it was the only way to protect someone they cared about.

    But in the end, they stayed - because taking the music away would've meant taking his life, too. Every song hit deep and inspiring.

    Thank you for creating TENBLANK!
    10niltava51129

    Sometimes, a Song Just Finds You

    How can a work of art-be it a manga, an article, a novel, a song, a drama, or a film-reach out across time and distance to deeply, almost surgically, affect someone's heart?

    To me, the core of Glass Heart lies in music and love-the love for music itself, and the feelings between people that are too large, too ambiguous to be easily put into words. These emotions are difficult to articulate, but they move us all the same. They wound us. And they heal us.

    The characters in Glass Heart love music. Because they love it, they get hurt-and because they love it, they are also healed.

    Leaving aside how dedicated the actors were-how they learned unfamiliar skills and threw themselves into their roles-their performances were so immersive that you forget you're watching actors. You simply believe: that's the character talking, walking, writing music, playing, singing. Every gesture feels authentic.

    The camerawork and transitions in this series are beautifully fluid, and above all, the music is deeply moving. Each song carries its own meaning and weight. You could say the music is the lifeblood of the show. The creators behind these songs did an absolutely incredible job.

    I can't help but mention GIVEN, the band-themed anime that also left a lasting impact on me. I was once completely captivated by the music in GIVEN and became a fan of Centimillimental, eventually falling in love with the story as well. Among all the band-themed anime out there, GIVEN stands at the top for me-though it lives in the 2D world.

    But Glass Heart brings that band story into the 2.5D space-almost even into the 3D. The realism in every performance, especially in the final episode, made it feel like I was watching a live concert Blu-ray. TENBLANK, the fictional band, felt real-as if they had actually held those live shows in the past.

    As a fan of both Denise Ho (HoCC) and Centimillimental, I'll never forget the emotional resonance I felt-whether listening to them on streaming platforms or attending live performances. Those moments had a profound impact on my life. That's why I understood the fans in Glass Heart-those who loved Fujitani, TENBLANK, or Touya. The things singers say during concert MCs, the feelings they convey, can reach fans so precisely, from so far away. They uplift. They move us to tears.

    I mean, I was just watching the Blu-ray and I couldn't stop crying!

    And okay-can I just say it? Fujitani Naoki and Takaoka Shou, you two need to get together already! Akane is adorable, sure, but honestly? She has way more chemistry with Sakamoto than with Fujitani.

    Lastly, I truly hope the songs from Season 1 get released on streaming platforms soon-and I'll be waiting eagerly for Season 2.
    7juliek-47406

    Intense Creativity

    This was a change from my K drama viewing & the Japanese have a different style when it comes to their drama. It is not so slick & stylized. There was far more emphasis on the music rather than the romance. The characters seemed more realistic. I found it interesting the intensity of these musicians for their craft.

    The ML was certainly charismatic & I believed he was this flawed character. Can he be excused for his behaviour at times because he is a genius? I did not know why the FL was so taken with him as there was so many issues to overcome in being with someone like that.

    The other 2 in the band contributed well to the overall story of the band. Toya from the rival band was a far more intriguing character & it was a shame after his incident we didn't get to see him more but only in the last episode. I didn't understand why he would be singing the same song as TENBLANK as their style was so different. The corrupt ex-manager was hard to fathom his interaction with the ML.

    The last episode was just about the concert which I felt was a bit of a letdown.

    Overall, it was a moving portrayal of a very intense industry. No wonder so many musicians die young.

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    Related interests

    Mahershala Ali and Alex R. Hibbert in Moonlight (2016)
    Drama
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    Music

    Storyline

    Edit

    Did you know

    Edit
    • Trivia
      Based on novel "Glass Heart" by Mio Wakagi (published 1993 - 2011 in magazine Cobalt).

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    Details

    Edit
    • Release date
      • July 31, 2025 (France)
    • Country of origin
      • Japan
    • Official site
      • Official Netflix
    • Language
      • Japanese
    • Also known as
      • 玻璃之心
    • Filming locations
      • Tokyo, Japan
    • Production company
      • Robot Communications
    • See more company credits at IMDbPro

    Tech specs

    Edit
    • Runtime
      • 40m
    • Color
      • Color
    • Sound mix
      • Dolby Digital
    • Aspect ratio
      • 2.00 : 1

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