Glass Heart PLAY out loud (Season 1, Episode 4)
TV-14
TV Episode | Drama, Music

Glass Heart

PLAY out loud (Season 1, Episode 4)

TV-14

TV Episode | Drama, Music

During a band retreat, Kazushi and Naoki lock creative horns. Kai and Yukino crash the party as Naoki pulls rank. Akane is unsure if Yukino is a Rival or Bestie. TENBLANK's authentic sound bubbles to the surface as Yukino stakes her claim.

Production Designer

Ryo Nobuka

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Edit Released

Updated Jul 31, 2025

Release date

Jul 31, 2025 (Japan)

Contacts

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Cast	+ Add Cast
14 cast members

Name	Known for
Takeru Satoh Naoki Fujitani Naoki Fujitani See fewer	Rurouni Kenshin Part I: Origins (2012)
Yu Miyazaki Akane Saijo Akane Saijo See fewer	Shoutai (2024)
Keita Machida Sho Takaoka Sho Takaoka See fewer	Alice in Borderland (2020)
Jun Shison Kazushi Sakamoto Kazushi Sakamoto See fewer	Zyuden Sentai Kyoryuger vs. Go-Busters: Dinosaur Great Battle! Farewell, Eternal Friends (2014)
Erika Karata Miyako Kai Miyako Kai See fewer	Asako I & II (2018)
Akari Takaishi Yukino Sakurai Yukino Sakurai See fewer	Baby Assassins (2021)
Minami Shirase Natsume Natsume See fewer	Divorce Lawyer Spider (2024)
You Momoko Saijo Momoko Saijo See fewer	Nobody Knows (2004)
Naohito Fujiki Kazuhiro Isagi Kazuhiro Isagi See fewer	Game (2003)
David Cui Cui Sakamoto Kazushi (voice: English version) Sakamoto Kazushi (voice: English version) See fewer	Live A Live (2022)
Ell Miyako Kai (voice: English version) Miyako Kai (voice: English version) See fewer	Call of Duty: Black Ops 6 (2024)
Andrew Grace Naoki Fujitani (voice: English version) Naoki Fujitani (voice: English version) See fewer	Matlock (2024)
Yuuki Luna Akane Saijo (voice) Akane Saijo (voice) See fewer	Étoile (2025)
Kate Marley Toya Shinzaki's Fan (voice: English version) Toya Shinzaki's Fan (voice: English version) See fewer	Afternooner (2025)