The Summer Hikaru Died

2025–2025 TV-14 24m
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Animation Drama Mystery Sci-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.

Stars Chiaki Kobayashi·Shuichiro Umeda·Chikahiro Kobayashi

ENDED

First Aired: July 6, 2025

Episodes

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Most Recent

Sat, Sep 27, 2025

S1.E12 - Its Place

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

Previously Aired

Sat, Sep 20, 2025

S1.E11 - Indo's Sin

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

Previously Aired

Sat, Sep 13, 2025

S1.E10 - Truth

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

Previously Aired

Sat, Sep 6, 2025

S1.E9 - Old Man Takeda

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

Previously Aired

Sat, Aug 23, 2025

S1.E8 - Contact

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

Previously Aired

Sat, Aug 16, 2025

S1.E7 - Determination

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

Previously Aired

Sat, Aug 9, 2025

S1.E6 - Asako

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

Previously Aired

Sat, Aug 2, 2025

S1.E5 - Wig Ghost

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

Previously Aired

Sat, Jul 26, 2025

S1.E4 - Summer Festival

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

Previously Aired

Sat, Jul 19, 2025

S1.E3 - Denial

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

Previously Aired

Sat, Jul 12, 2025

S1.E2 - Suspicion

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

Previously Aired

Sat, Jul 5, 2025

S1.E1 - Replacement

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

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Storyline

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

affectation anime based on manga high school high school student horror japanese high school psychological queer seinen slice of life summer supernatural thriller

Tagline

horror

Genres

Animation·Drama·Mystery·Sci-Fi & Fantasy

Content Rating

TV-14

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Details

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First air date

July 6, 2025

Countries of origin

Japan

Official sites

Official Site

Also known as

光が死んだ夏

Languages

Japanese

Production

CyberAgent·CygamesPictures·KADOKAWA·Nippon Television Network Corporation