S01E01 Replacement
Yoshiki confronts Hikaru about his suspicions and discovers the terrifying truth. Even though they try to live normally, eerie incidents begin to occur.
The Summer Hikaru Died
Overview
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
S01E02 Suspicion
While Yoshiki and Hikaru accompany their classmates to a creepy mountain trail, a mysterious man arrives at Kubitachi Village and begins investigating.
S01E03 Denial
Recalling childhood memories with Hikaru, Yoshiki continues to struggle with his complex emotions. Desperate, he reaches out to Kurebayashi.
S01E04 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.
S01E05 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.
S01E06 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.
S01E07 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.
S01E08 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.
S01E09 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.
S01E10 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.
S01E11 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.
S01E12 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.
Cast
Chiaki Kobayashi
Yoshiki Tsujinaka (voice)
Shuichiro Umeda
Hikaru Indo (voice)
Chikahiro Kobayashi
Tanaka (voice)
Wakana Kowaka
Rie Kurebayashi (voice)
Yumiri Hanamori
Asako Yamagishi (voice)
Yoshiki Nakajima
Yuta Maki (voice)
Shion Wakayama
Yuki Tadokoro (voice)
