The Summer Hikaru Died

2025-07-06 · Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges.

S01 E01 · 2025-07-06 · 24 min

Replacement

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

S01 E02 · 2025-07-13 · 24 min

Suspicion

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

S01 E03 · 2025-07-20 · 24 min

Denial

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

S01 E04 · 2025-07-27 · 24 min

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.

S01 E05 · 2025-08-03 · 24 min

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.

S01 E06 · 2025-08-10 · 24 min

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.

S01 E07 · 2025-08-17 · 24 min

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.

S01 E08 · 2025-08-24 · 24 min

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.

S01 E09 · 2025-09-07 · 24 min

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.

S01 E10 · 2025-09-14 · 24 min

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.

S01 E11 · 2025-09-21 · 24 min

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.

S01 E12 · 2025-09-28 · 24 min

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.