
Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges.
Cast: Chiaki Kobayashi, Shuichiro Umeda, Chikahiro Kobayashi
TV-14UHDHDCC
12 episodes
1. ReplacementYoshiki confronts Hikaru about his suspicions and discovers the terrifying truth. Even though they try to live normally, eerie incidents begin to occur.TV-14CC24minJul 6, 2025
2. SuspicionWhile Yoshiki and Hikaru accompany their classmates to a creepy mountain trail, a mysterious man arrives at Kubitachi Village and begins investigating.TV-14CC24minJul 13, 2025
3. DenialRecalling childhood memories with Hikaru, Yoshiki continues to struggle with his complex emotions. Desperate, he reaches out to Kurebayashi.TV-14CC24minJul 20, 2025
4. Summer FestivalAs Yoshiki attends the summer festival with Hikaru, the village elders fret over the recent death and Tanaka ends up with more questions than answers.TV-14CC24minJul 27, 2025
5. Wig GhostWhen 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.TV-14CC24minAug 3, 2025
6. AsakoYoshiki and his classmates discuss a story their teacher assigned them. Later, at a sleepover, Asako's sharp observations put her in grave danger.TV-14CC24minAug 10, 2025
7. DeterminationAfter the sobering realization that Hikaru is truly dangerous, Yoshiki decides that he must act and invites his best friend to skip school together.TV-14CC24minAug 17, 2025
8. ContactYoshiki 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.TV-14CC24minAug 24, 2025
9. Old Man TakedaKurebayashi shares her knowledge about impurities with the boys. Later, the elder Takeda loses his temper over Hikaru's ignorance of the Indo's history.TV-14CC24minSep 7, 2025
10. TruthThe boys' surprise encounter with Tanaka lands them in the hospital. When they return to school, Yoshiki pieces together the truth behind Nonuki-sama.TV-14CC24minSep 14, 2025
11. Indo's SinThough 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.TV-14CC24minSep 21, 2025
12. Its PlaceWhile everyone else attends the school assembly, Asako finds Hikaru wandering the halls. Alone at the beach, Hikaru reveals his final plans to Yoshiki.TV-14CC24minSep 28, 2025
The Summer Hikaru Died
★ 8.2/1020252 seasons12 episodesReturning 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.
Creators and cast
- Created by
- Shuzo Kasahara, Yosuke Aomura, Hiroko Osawa, Joji Seita
- Cast
- Chiaki Kobayashi, Shuichiro Umeda, Chikahiro Kobayashi, Wakana Kowaka, Yumiri Hanamori, Yoshiki Nakajima
- Studio
- CyPic, KADOKAWA, CyberAgent



























