The Summer Hikaru Died

The Summer Hikaru Died

光が死んだ夏
Continuing First aired 06/Jul/2025 Japan Japanese 2 season(s) 12 episode(s)
AnimationDramaMysterySci-Fi & Fantasy
Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges.
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Air Time

Source: Asia/Tokyo · Your timezone: America/New_York

When does the episode air near you?

The episode airs in your local time New York - United States at:

11:55 AM on Friday
Notice: This scheduled time is based on: /12:55 AM/Asia/Tokyo/Saturday.

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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 2 · Season 2
0 episode(s)
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Season 1 · Season 1
12 episode(s) · Air date: 06/Jul/2025
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Season Overview

Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges.

Season Overview

Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges.

S1E12
Its Place
Air date: 28/Sep/2025 · Time: 00:55 · Runtime: 24 min
Summary

While everyone else attends the school assembly, Asako finds Hikaru wandering the halls. Alone at the beach, Hikaru reveals his final plans to Yoshiki.

Summary

While everyone else attends the school assembly, Asako finds Hikaru wandering the halls. Alone at the beach, Hikaru reveals his final plans to Yoshiki.

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S1E11
Indo's Sin
Air date: 21/Sep/2025 · Time: 00:55 · Runtime: 24 min
Summary

Though hesitant, Yoshiki asks his father about the Indo family's murky past and secret ritual. Later, Hikaru loses control at school and feels deeply shaken.

Summary

Though hesitant, Yoshiki asks his father about the Indo family's murky past and secret ritual. Later, Hikaru loses control at school and feels deeply shaken.

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S1E10
Truth
Air date: 14/Sep/2025 · Time: 00:55 · Runtime: 24 min
Summary

The boys' surprise encounter with Tanaka lands them in the hospital. When they return to school, Yoshiki pieces together the truth behind Nonuki-sama.

Summary

The boys' surprise encounter with Tanaka lands them in the hospital. When they return to school, Yoshiki pieces together the truth behind Nonuki-sama.

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S1E9
Old Man Takeda
Air date: 07/Sep/2025 · Time: 00:55 · Runtime: 24 min
Summary

Kurebayashi shares her knowledge about impurities with the boys. Later, the elder Takeda loses his temper over Hikaru's ignorance of the Indo's history.

Summary

Kurebayashi shares her knowledge about impurities with the boys. Later, the elder Takeda loses his temper over Hikaru's ignorance of the Indo's history.

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S1E8
Contact
Air date: 24/Aug/2025 · Time: 00:55 · Runtime: 24 min
Summary

Yoshiki and Hikaru investigate Nonuki-sama and its link to Kubitachi's history. While at the library, they get an important lead from a surprising source.

Summary

Yoshiki and Hikaru investigate Nonuki-sama and its link to Kubitachi's history. While at the library, they get an important lead from a surprising source.

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S1E7
Determination
Air date: 17/Aug/2025 · Time: 00:55 · Runtime: 24 min
Summary

After the sobering realization that Hikaru is truly dangerous, Yoshiki decides that he must act and invites his best friend to skip school together.

Summary

After the sobering realization that Hikaru is truly dangerous, Yoshiki decides that he must act and invites his best friend to skip school together.

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S1E6
Asako
Air date: 10/Aug/2025 · Time: 00:55 · Runtime: 24 min
Summary

Yoshiki and his classmates discuss a story their teacher assigned them. Later, at a sleepover, Asako's sharp observations put her in grave danger.

Summary

Yoshiki and his classmates discuss a story their teacher assigned them. Later, at a sleepover, Asako's sharp observations put her in grave danger.

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S1E5
Wig Ghost
Air date: 03/Aug/2025 · Time: 00:55 · Runtime: 24 min
Summary

When Yoshiki's sister spots a creepy clump of hair in the bathroom, Hikaru visits the Tsujinaka home to investigate — but things take a deadly turn.

Summary

When Yoshiki's sister spots a creepy clump of hair in the bathroom, Hikaru visits the Tsujinaka home to investigate — but things take a deadly turn.

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S1E4
Summer Festival
Air date: 27/Jul/2025 · Time: 00:55 · Runtime: 24 min
Summary

As Yoshiki attends the summer festival with Hikaru, the village elders fret over the recent death and Tanaka ends up with more questions than answers.

Summary

As Yoshiki attends the summer festival with Hikaru, the village elders fret over the recent death and Tanaka ends up with more questions than answers.

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S1E3
Denial
Air date: 20/Jul/2025 · Time: 00:55 · Runtime: 24 min
Summary

Recalling childhood memories with Hikaru, Yoshiki continues to struggle with his complex emotions. Desperate, he reaches out to Kurebayashi.

Summary

Recalling childhood memories with Hikaru, Yoshiki continues to struggle with his complex emotions. Desperate, he reaches out to Kurebayashi.

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S1E2
Suspicion
Air date: 13/Jul/2025 · Time: 00:55 · Runtime: 24 min
Summary

While Yoshiki and Hikaru accompany their classmates to a creepy mountain trail, a mysterious man arrives at Kubitachi Village and begins investigating.

Summary

While Yoshiki and Hikaru accompany their classmates to a creepy mountain trail, a mysterious man arrives at Kubitachi Village and begins investigating.

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S1E1
Replacement
Air date: 06/Jul/2025 · Time: 00:55 · Runtime: 24 min
Summary

Yoshiki confronts Hikaru about his suspicions and discovers the terrifying truth. Even though they try to live normally, eerie incidents begin to occur.

Summary

Yoshiki confronts Hikaru about his suspicions and discovers the terrifying truth. Even though they try to live normally, eerie incidents begin to occur.

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Cast

Main cast members.

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Chiaki Kobayashi
Chiaki Kobayashi
Yoshiki Tsujinaka (voice)
Shuichiro Umeda
Shuichiro Umeda
Hikaru Indo (voice)
Chikahiro Kobayashi
Chikahiro Kobayashi
Tanaka (voice)
Wakana Kowaka
Wakana Kowaka
Rie Kurebayashi (voice)
Yumiri Hanamori
Yumiri Hanamori
Asako Yamagishi (voice)
Yoshiki Nakajima
Yoshiki Nakajima
Yuta Maki (voice)
Shion Wakayama
Shion Wakayama
Yuki Tadokoro (voice)
Ryoko Shiraishi
Ryoko Shiraishi
Satoko Tsujinaka (voice)
Fuminori Komatsu
Fuminori Komatsu
Toshinori Tsujinaka (voice)
Seika Hirose
Seika Hirose
Kaoru Tsujinaka (voice)
Setsuji Sato
Setsuji Sato
Harasen (voice)
Koji Ishii
Koji Ishii
Hajime Takeda (voice)
Bin Shimada
Bin Shimada
Tetsu Mikasa (voice)
Lynn
Lynn
Satou (voice)
Takayuki Sugo
Takayuki Sugo
Old Man Takeda (voice)
Kazuko Sugiyama
Kazuko Sugiyama
Ms. Matsuura (voice)
Kousuke Goto
Kousuke Goto
Matsushima (voice)
Masatomo Nakazawa
Masatomo Nakazawa
Kohei Indo (voice)

Crew

Creators, directors, writers, and production crew.

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Shuhei Tada
Art Designer
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Takeyuki Takahashi
Art Designer
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Yoshihiro Sono
Art Designer
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Kohei Honda
Art Direction
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Ryunosuke Oji
Key Animation, Prop Designer
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Aimi Yamauchi
Director, Storyboard Artist
Asaka Yokoyama
Asaka Yokoyama
Director, Key Animation, Storyboard Artist
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Fumiaki Kataoka
Director, Storyboard Artist
No Photo
Hiromi Taniguchi
Storyboard Artist
No Photo
Mitsuhiro Osako
Director, Key Animation, Storyboard Artist
Ryo Ando
Ryo Ando
Director, Storyboard Artist
Ryohei Takeshita
Ryohei Takeshita
Director, Storyboard Artist, Writer

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