The Summer Hikaru Died (2025)
Synopsis
Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges.
First Air Date: 2025-07-06
Last Air Date: 2025-09-28
Number of Seasons: 2
Number of Episodes: 12
Networks: Nippon TV
Top Cast
- Chiaki Kobayashi as Yoshiki Tsujinaka (voice)
- Shuichiro Umeda as Hikaru Indo (voice)
- Chikahiro Kobayashi as Tanaka (voice)
- Wakana Kowaka as Rie Kurebayashi (voice)
- Yumiri Hanamori as Asako Yamagishi (voice)
- Yoshiki Nakajima as Yuta Maki (voice)
- Shion Wakayama as Yuki Tadokoro (voice)
- Ryoko Shiraishi as Satoko Tsujinaka (voice)
- Seika Hirose as Kaoru Tsujinaka (voice)
- Setsuji Sato as Harasen (voice)
Seasons
Season 1 (2025)
Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges.
Episodes:
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Ep. 1: Replacement
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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Ep. 2: Suspicion
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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Ep. 3: Denial
Recalling childhood memories with Hikaru, Yoshiki continues to struggle with his complex emotions. Desperate, he reaches out to Kurebayashi.
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Ep. 4: Summer Festival
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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Ep. 5: Wig Ghost
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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Ep. 6: Asako
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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Ep. 7: Determination
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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Ep. 8: Contact
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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Ep. 9: Old Man Takeda
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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Ep. 10: Truth
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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Ep. 11: Indo's Sin
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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Ep. 12: Its Place
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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