TV series
Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges.
Streaming, rental and purchase options
Checked Sep 1, 2026
The Summer Hikaru Died is available to stream on Netflix in United States. Use the direct links below to open the provider.
Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges.
Choose an episode, then use the watch options above for the show.
Episode 1
Yoshiki confronts Hikaru about his suspicions and discovers the terrifying truth. Even though they try to live normally, eerie incidents begin to occur.
Directed by Ryohei TakeshitaWritten by Ryohei TakeshitaGuest stars Ryoko Shiraishi, Fuminori Komatsu, Seika Hirose, Setsuji Sato, Koji Ishii, Bin Shimada, Lynn, Takayuki Sugo
Episode 2
While Yoshiki and Hikaru accompany their classmates to a creepy mountain trail, a mysterious man arrives at Kubitachi Village and begins investigating.
Directed by Mitsuhiro OsakoWritten by Oki MurayamaGuest stars Koji Ishii, Bin Shimada, Kousuke Goto, Masatomo Nakazawa, Yuki Urushiyama, Mika Kanda, Saori Higashi
Episode 3
Recalling childhood memories with Hikaru, Yoshiki continues to struggle with his complex emotions. Desperate, he reaches out to Kurebayashi.
Directed by Kohei Kido, Ayumu Uwano, Asaka YokoyamaWritten by Ryohei TakeshitaGuest stars Masatomo Nakazawa, Yuki Urushiyama, Natsumi Kawaida, Chie Nakamura, Rika Abe, Akihiko Toba, Natsu Yorita
Episode 4
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.
Directed by Yoshiyuki ShirahataWritten by Oki MurayamaGuest stars Ryoko Shiraishi, Seika Hirose, Setsuji Sato, Koji Ishii, Bin Shimada, Kousuke Goto, Sayuri Sadaoka, Kouichi Souma
Episode 5
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.
Directed by Wang Chihsia, Ryuta KawaharaWritten by Ryohei TakeshitaGuest stars Ryoko Shiraishi, Seika Hirose, Setsuji Sato, Koji Ishii, Yuki Urushiyama, Natsumi Kawaida, Chie Nakamura, Yu Miyazaki
Episode 6
Yoshiki and his classmates discuss a story their teacher assigned them. Later, at a sleepover, Asako's sharp observations put her in grave danger.
Directed by Fumiaki Kataoka, Shinya KawabeWritten by Oki MurayamaGuest stars Fuminori Komatsu, Setsuji Sato, Bin Shimada, Masatomo Nakazawa, Yuki Urushiyama, Natsumi Kawaida, Mami Horikoshi, Takahiro Sumi
Episode 7
After the sobering realization that Hikaru is truly dangerous, Yoshiki decides that he must act and invites his best friend to skip school together.
Directed by Yuka HashimotoWritten by Ryohei TakeshitaGuest stars Ryoko Shiraishi, Fuminori Komatsu, Seika Hirose, Setsuji Sato, Yui Tsukada, Takehisa Hirose, Taihi Kimura, Youhei Hamada
Episode 8
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.
Directed by Ryo AndoWritten by Oki MurayamaGuest stars Setsuji Sato, Koji Ishii, Lynn, Takayuki Sugo, Yuki Urushiyama, Youhei Hamada, Yousuke Omomo, Natsu Yorita
Episode 9
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.
Directed by Mitsuhiro Osako, Ayumu UwanoWritten by Oki MurayamaGuest stars Takayuki Sugo, Yuki Urushiyama, Natsumi Kawaida, Sara Matsumoto, Takatsugu Chikamatsu, Wasabi Mizuta, Kanako Sakuragi, Masaya Fukunishi
Episode 10
The boys' surprise encounter with Tanaka lands them in the hospital. When they return to school, Yoshiki pieces together the truth behind Nonuki-sama.
Directed by Kohei Kido, Wang ChihsiaWritten by Oki MurayamaGuest stars Ryoko Shiraishi, Fuminori Komatsu, Seika Hirose, Koji Ishii, Masatomo Nakazawa, Yuki Urushiyama, Wasabi Mizuta, Rika Abe
Episode 11
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.
Directed by Aimi YamauchiWritten by Oki MurayamaGuest stars Ryoko Shiraishi, Fuminori Komatsu, Seika Hirose, Masatomo Nakazawa, Natsumi Kawaida, Chie Nakamura, Sara Matsumoto, Yuuki Sanpei
Episode 12
While everyone else attends the school assembly, Asako finds Hikaru wandering the halls. Alone at the beach, Hikaru reveals his final plans to Yoshiki.
Directed by Ryohei TakeshitaWritten by Ryohei TakeshitaGuest stars Ryoko Shiraishi, Fuminori Komatsu, Seika Hirose, Setsuji Sato, Koji Ishii, Uoken, Yuuki Sanpei, Rika Abe
Episode information updated Sep 17, 2026
Chiaki KobayashiYoshiki Tsujinaka (voice)
Shuichiro UmedaHikaru Indo (voice)
Chikahiro KobayashiTanaka (voice)
Wakana KowakaRie Kurebayashi (voice)
Yumiri HanamoriAsako Yamagishi (voice)
Yoshiki NakajimaYuta Maki (voice)
Shion WakayamaYuki Tadokoro (voice)
Ryoko ShiraishiSatoko Tsujinaka (voice)
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