Netflix’s most anticipated horror anime drops this weekend: ‘The Summer Hikaru Died’ is unsettling from the very first scene
Based on the hit manga by Mokumokuren, this eerie new series blends supernatural horror with emotional depth.

If you’re a fan of both anime and horror, Netflix has something chilling lined up for you. Premiering this Saturday, July 5, 'The Summer Hikaru Died’ is already generating buzz as one of the most disturbing and emotionally gripping anime releases of the year.
Adapted from the ongoing manga by Mokumokuren, the series has become a breakout hit in Japan since its debut in 2021. Now, it’s finally making its way to global audiences, and the trailer alone is enough to send shivers down your spine.
What is ‘The Summer Hikaru Died’ about?
The story follows Yoshiki, a quiet teenager living in a rural Japanese town, who becomes increasingly concerned after his best friend Hikaru disappears for over a week. When Hikaru finally returns, something feels… off. His behavior is strange, his presence unsettling, and Yoshiki can’t shake the feeling that the person who came back isn’t really Hikaru.
As the mystery deepens, Hikaru reveals what happened during his disappearance, an event that will forever alter both of their lives. The series explores themes of identity, grief, and the supernatural, all wrapped in a slow-burning psychological horror narrative.
Release date and streaming details
- Premiere date: Saturday, July 5, 2025
- Streaming platform: Netflix
- New episodes: Released weekly, every Saturday
Directed by Ryohei Takeshita (’Eromanga Sensei’, 'Jujutsu Kaisen’ episodes), the anime is produced by Cygames Pictures, known for 'Princess Connect! Re:Dive’. The voice cast includes Chiaki Kobayashi (’Vinland Saga’, 'Hell’s Paradise’) as Yoshiki and Shuichiro Umeda (’Zom 100′) as Hikaru.
Why horror fans should keep an eye on this one
With its haunting atmosphere, slow-burn tension, and emotionally complex characters, 'The Summer Hikaru Died’ is shaping up to be a standout in the anime horror genre. It’s not just about jump scares, it’s about the creeping dread of watching someone you love become a stranger.
If you’re into series like 'Devilman Crybaby’, 'Paranoia Agent’, or 'Another’, this one should be at the top of your watchlist.
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