Glass Heart - Season 1

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.

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.

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.

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

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.

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.

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

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.

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.

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.