Glass Heart

Glass Heart

グラスハート
Ended First aired 31/Jul/2025 Japan Japanese 1 season(s) 10 episode(s)
Drama
An aspiring drummer suddenly loses her spot in the band. But when a brilliant musician recruits her for his new band, her life takes a passionate turn.
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TimeScore 33% Skip It
Binge Meter 48% Slow Burn
Episode Pulse Quiet 40% activity score
Drop Rate 0% Very Low

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Seasons & Episodes

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Season 1 · Season 1
10 episode(s) · Air date: 31/Jul/2025
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Season Overview

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S1E10
Glass Heart
Air date: 31/Jul/2025 · Runtime: 33 min
Summary

TENBLANK makes a promise to each other before going on stage. As news breaks during the performance, Naoki offers a heartfelt confession to the crowd.

Summary

TENBLANK makes a promise to each other before going on stage. As news breaks during the performance, Naoki offers a heartfelt confession to the crowd.

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S1E9
Forever Eve
Air date: 31/Jul/2025 · Runtime: 54 min
Summary

As Naoki writes a new song, Kazushi and Sho struggle to face the truth. Meanwhile, Akane makes a shocking announcement that further alienates the band.

Summary

As Naoki writes a new song, Kazushi and Sho struggle to face the truth. Meanwhile, Akane makes a shocking announcement that further alienates the band.

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S1E8
MATRIX
Air date: 31/Jul/2025 · Runtime: 44 min
Summary

Sho makes a shocking discovery that throws the band members into disarray. As they process the news, TENBLANK's history and origin story come to light.

Summary

Sho makes a shocking discovery that throws the band members into disarray. As they process the news, TENBLANK's history and origin story come to light.

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S1E7
Lucky Me
Air date: 31/Jul/2025 · Runtime: 40 min
Summary

As TENBLANK starts their tour, Kazushi reveals his long-hidden feelings. Akane steps in to mediate a tense confrontation between Yukino and Naoki.

Summary

As TENBLANK starts their tour, Kazushi reveals his long-hidden feelings. Akane steps in to mediate a tense confrontation between Yukino and Naoki.

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S1E5
Citrus
Air date: 31/Jul/2025 · Runtime: 40 min
Summary

A new song sparks fresh rivalry and uncovers old wounds between TENBLANK and OVER CHROME — Akane finds herself caught in the middle as tensions mount.

Summary

A new song sparks fresh rivalry and uncovers old wounds between TENBLANK and OVER CHROME — Akane finds herself caught in the middle as tensions mount.

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S1E4
PLAY OUT LOUD
Air date: 31/Jul/2025 · Runtime: 46 min
Summary

The band visits Naoki's countryside home. Kazushi loses his temper upon learning his song was altered. Meanwhile, Akane's romantic feelings intensify.

Summary

The band visits Naoki's countryside home. Kazushi loses his temper upon learning his song was altered. Meanwhile, Akane's romantic feelings intensify.

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S1E3
Unbroken
Air date: 31/Jul/2025 · Runtime: 41 min
Summary

Thanks to Naoki's efforts, TENBLANK secures a special stage for their first live TV appearance — but they face an obstacle right before the broadcast.

Summary

Thanks to Naoki's efforts, TENBLANK secures a special stage for their first live TV appearance — but they face an obstacle right before the broadcast.

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S1E2
Crystalline Echo
Air date: 31/Jul/2025 · Runtime: 41 min
Summary

TENBLANK makes its much-anticipated stage debut. As they rush to prepare new songs for recording, Akane feels the pressure to find her unique sound.

Summary

TENBLANK makes its much-anticipated stage debut. As they rush to prepare new songs for recording, Akane feels the pressure to find her unique sound.

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S1E1
glass heart
Air date: 31/Jul/2025 · Runtime: 49 min
Summary

On the day that Akane Saijo decides to give up drumming forever, fate extends a hand — musical genius Naoki Fujitani wants her to join his new band.

Summary

On the day that Akane Saijo decides to give up drumming forever, fate extends a hand — musical genius Naoki Fujitani wants her to join his new band.

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Cast

Main cast members.

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Takeru Satoh
Takeru Satoh
Naoki Fujitani
Yu Miyazaki
Yu Miyazaki
Akane Saijo
Keita Machida
Keita Machida
Sho Takaoka
Jun Shison
Jun Shison
Kazushi Sakamoto
Masaki Suda
Masaki Suda
Toya Shinzaki
Erika Karata
Erika Karata
Miyako Kai
Akari Takaishi
Akari Takaishi
Yukino Sakurai
Pistol Takehara
Pistol Takehara
Genji Kamiyama
YOU
YOU
Momoko Saijo
Naohito Fujiki
Naohito Fujiki
Ichidai Isagi

Crew

Creators, directors, writers, and production crew.

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Ryo Nobuka
Production Design
Kensaku Kakimoto
Kensaku Kakimoto
Director, Director of Photography
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Kohtaro Goto
Director
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Tetsu Moritera
Lighting Design
Takeru Satoh
Takeru Satoh
Co-Executive Producer
Makiko Okano
Makiko Okano
Executive Producer
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Hirofumi Sakurai
Line Producer
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Go Abe
Producer
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Katsuya Yamada
Music Producer
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Masakatsu Takagi
Original Music Composer
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Daisuke Ohori
Sound Recordist
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Shimpei Yoshikawa
VFX Supervisor

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