Glass Heart (Season 1)

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.

glass heart (Episode 1) 4.3
Air date: 2025-07-31
Runtime: 49 min
Overview: 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.
Crystalline Echo (Episode 2)
Air date: 2025-07-31
Runtime: 41 min
Overview: 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.
Unbroken (Episode 3)
Air date: 2025-07-31
Runtime: 41 min
Overview: 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.
PLAY OUT LOUD (Episode 4)
Air date: 2025-07-31
Runtime: 46 min
Overview: The band visits Naoki's countryside home. Kazushi loses his temper upon learning his song was altered. Meanwhile, Akane's romantic feelings intensify.
Citrus (Episode 5)
Air date: 2025-07-31
Runtime: 40 min
Overview: 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.
Vibrato (Episode 6)
Air date: 2025-07-31
Runtime: 39 min
Overview: As TENBLANK prepares to take the stage, the band and audience learn shocking news. Naoki rushes to Toya's side to make a heartfelt confession.
Lucky Me (Episode 7)
Air date: 2025-07-31
Runtime: 40 min
Overview: As TENBLANK starts their tour, Kazushi reveals his long-hidden feelings. Akane steps in to mediate a tense confrontation between Yukino and Naoki.
MATRIX (Episode 8)
Air date: 2025-07-31
Runtime: 44 min
Overview: 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.
Forever Eve (Episode 9)
Air date: 2025-07-31
Runtime: 54 min
Overview: 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.
Glass Heart (Episode 10)
Air date: 2025-07-31
Runtime: 33 min
Overview: 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.