The Summer Hikaru Died
Two best friends living in a rural Japanese village: Yoshiki and Hikaru. Growing up together, they were inseparable... until the day Hikaru came back from the mountains, and was no longer himself. “Something” has taken over Hikaru’s body, memories, feelings... and everything they know begins to unravel.
- 2025-2025
- 1 season
- Netflix
- Animation, Drama, Horror, Suspense
- TV-14
Two best friends living in a rural Japanese village: Yoshiki and Hikaru. Growing up together, they were inseparable... until the day Hikaru came back from the mountains, and was no longer himself. “Something” has taken over Hikaru’s body, memories, feelings... and everything they know begins to unravel.
Season 1 Episode Guide
12 Episodes 2025
Episode 1
Daitaihin
Sat, Jul 5, 2025
Yoshiki faces Hikaru over his doubts and learns a frightening reality. Despite attempts at normal life, strange events start happening.
Episode 2
Giwaku
Sat, Jul 12, 2025 23 mins
While Yoshiki and Hikaru accompany their classmates to a creepy mountain trail, a mysterious man arrives at Kubitachi Village and begins investigating.
Episode 3
Kyozetsu
23 mins
Recalling childhood memories with Hikaru, Yoshiki continues to struggle with his complex emotions. Desperate, he reaches out to Kurebayashi.
Episode 4
Natsumatsuri
At a summer festival with Hikaru, Yoshiki's presence coincides with village elders worrying about the recent death, leaving Tanaka puzzled with new questions.
Episode 5
Katsura no Obake
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.
Episode 6
Asako
Sat, Aug 9, 2025
During a class discussion about assigned reading, Yoshiki and his peers share thoughts. Later, Asako notices something crucial at a sleepover that threatens her safety.
Episode 7
Ketsui
Sat, Aug 16, 2025
After the sobering realization that Hikaru is truly dangerous, Yoshiki decides that he must act and invites his best friend to skip school together.
Episode 8
Sesshoku
Sat, Aug 23, 2025
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.
Episode 9
Takeda no Jisan
Sat, Sep 6, 2025
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.
Episode 10
Shinso
Sat, Sep 13, 2025
The boys' surprise encounter with Tanaka lands them in the hospital. When they return to school, Yoshiki pieces together the truth behind Nonuki-sama.
Episode 11
Indo no Tobira
Sat, Sep 20, 2025
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.
Episode 12
Ibasho
Sat, Sep 27, 2025 23 mins
While everyone else attends the school assembly, Asako finds Hikaru wandering the halls. Alone at the beach, Hikaru reveals his final plans to Yoshiki.
