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Glass Heart S1E2 — Crystalline Echo

8.7

Glass Heart•Season 1•Episode 2

Crystalline Echo

8.7/10 · 78 votesJul 31, 202541 min

Ranked #9 of 10 in Season 1•−0.2 vs season avg

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.

Directed byKensaku Kakimoto

Written byMari Okada, Tomoko Akutsu

Previous episodeE1 · glass heart Next episodeE3 · Unbroken

Seasons1

Season 1 Episodes10

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glass heart

Crystalline Echo still

E2 8.7Now viewing

Crystalline Echo

Unbroken still

Unbroken

PLAY OUT LOUD still

PLAY OUT LOUD

Citrus still

Citrus

Vibrato still

Vibrato

Lucky Me still

Lucky Me

MATRIX still

MATRIX

Forever Eve still

Forever Eve

Glass Heart still

Glass Heart

Cast10

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

Crew3

Kensaku Kakimoto

Kensaku Kakimoto

Director

Mari Okada

Mari Okada

Writer

T

Tomoko Akutsu

Writer

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Episode Summary

"Crystalline Echo" is episode 2 of Glass Heart season 1. It scored 8.7/10 from 78 votes, ranking #9 of 10 episodes this season (season average 8.9). Directed by Kensaku Kakimoto and written by Mari Okada, Tomoko Akutsu, it aired on July 31, 2025.

Next: E3 · Unbroken Best of Season 1