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IMDbPro

The Summer Hikaru Died

Original title: Hikaru ga Shinda Natsu
  • TV Series
  • 2025–
  • TV-14
IMDb RATING
8.2/10
2.6K
YOUR RATING
POPULARITY
382
64
Shûichirô Umeda in The Summer Hikaru Died (2025)
Hikaru vanishes, replaced by an entity with his appearance, voice, and memories. The mysterious being maintains Hikaru's persona, making distinguishing it from the real Hikaru challenging as they continue their daily routines.
Play trailer1:26
2 Videos
9 Photos
Adult AnimationAnimeHand-Drawn AnimationPsychological DramaPsychological HorrorPsychological ThrillerSeinenSlice of LifeSupernatural HorrorSuspense Mystery

Hikaru vanishes, replaced by an entity with his appearance, voice, and memories. The mysterious being maintains Hikaru's persona, making distinguishing it from the real Hikaru challenging as... Read allHikaru vanishes, replaced by an entity with his appearance, voice, and memories. The mysterious being maintains Hikaru's persona, making distinguishing it from the real Hikaru challenging as they continue their daily routines.Hikaru vanishes, replaced by an entity with his appearance, voice, and memories. The mysterious being maintains Hikaru's persona, making distinguishing it from the real Hikaru challenging as they continue their daily routines.

  • Creator
    • Mokumokuren
  • Stars
    • Chiaki Kobayashi
    • Shûichirô Umeda
    • Chikahiro Kobayashi
  • See production info at IMDbPro
  • IMDb RATING
    8.2/10
    2.6K
    YOUR RATING
    POPULARITY
    382
    64
    • Creator
      • Mokumokuren
    • Stars
      • Chiaki Kobayashi
      • Shûichirô Umeda
      • Chikahiro Kobayashi
    • 26User reviews
    • 6Critic reviews
  • See production info at IMDbPro
  • Episodes12

    Browse episodes
    TopTop-rated1 season2025

    Videos2

    Official Trailer
    Trailer 1:26
    Official Trailer
    Official Teaser
    Trailer 0:54
    Official Teaser
    Official Teaser
    Trailer 0:54
    Official Teaser

    Photos8

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    + 5
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    Top cast21

    Edit
    Chiaki Kobayashi
    • Yoshiki Tsujinaka
    • 2025
    Shûichirô Umeda
    • Hikaru
    • 2025
    Chikahiro Kobayashi
    Chikahiro Kobayashi
    • Tanaka
    • 2025
    Yumiri Hanamori
    • Asako Yamagishi
    • 2025
    Wakana Kowaka
    • Rie Kurebayashi
    • 2025
    Seika Hirose
    • Kaoru Tsujinaka
    • 2025
    Shion Wakayama
    • Yuuki Tadokoro
    • 2025
    Lynn
    Lynn
    • Satou
    • 2025
    Takayuki Sugô
    Takayuki Sugô
    • Takeda's Grandfather
    • 2025
    Yoshiki Nakajima
    • Yuuta Maki
    • 2025
    Ryôko Shiraishi
    • Satoko Tsujinaka
    • 2025
    Kôji Ishii
    • Hajime Takeda
    • 2025
    Bin Shimada
    Bin Shimada
    • Tetsu Mikasa
    • 2025
    Setsuji Sato
    • Harasen
    • 2025
    Kazuko Sugiyama
    Kazuko Sugiyama
    • Matsuura-san
    • 2025
    Takahiro Sumi
    • Leading Actor
    • 2025
    Natsu Yorita
    • Wife
    • 2025
    Rika Abe
    • Child Kegare
    • 2025
    • Creator
      • Mokumokuren
    • All cast & crew
    • Production, box office & more at IMDbPro

    User reviews26

    8.22.5K
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    Featured reviews

    10imdbfan-535929

    I'm hooked

    This anime-The Summer Hikaru died is by far the best I've ever seen. I am invested in the characters and the storyline. It's full of angst, heartbreak, mystery, longing and horror.

    I love the message it is conveying, I can relate with it on several levels which makes it that much better. I'm sure so many people are able to relate to one or both of the characters in some form or fashion.

    There are so many layers to it and it leaves so much room for thought, there's so much meat to each episode to dissect.

    By episode three I was so obsessed that I had to run and out purchase Mangas 1-3 of the Summer Hikaru died. I highly recommend!!
    10ancianodaniel

    Love it!

    I really enjoyed the horror aspect; it builds tension through atmosphere rather than relying on predictable jump scares. The emotional bond between the main characters also adds a heartfelt layer that balances out the creepy tone in a meaningful way. It's refreshing to see a horror story with actual depth and character development. I'm definitely looking forward to what the upcoming episodes bring, hopefully even more intensity, deeper storytelling, and maybe some unexpected twists along the way.

    Hats off to the voice cast, the writing and editing team behind the anime, and of course, to Mok-sensei for their outstanding work!
    10SolG-82

    THE Gay Horror Anime

    Technically speaking, 3 episodes isn't enough to proclaim this is a masterpiece, but as a big fan of body horror mixed with queer subtext (and straight up text, I mean-) this is really everything I've ever wished for in a beautifully animated package. Sound design? Amazing. Voice acting? Stellar. You can't ask for much more perfection, really - the complexity is well captured even if the content is undoubtedly less lengthy than the manga. I wonder what emotions they'll be able to pull out of me in the next episodes but so far, this is beautiful and should already be scheduled for a second season.
    10PratikhyaP

    Goosebump

    Underrated and amazing waiting for it for a year finally watching it giving me goosebumps I wish people be more open minded and appreciate art and story it's truly amazing feeling connection with mc and something big going to happen in future the animation style is amazing and realistic. This really explain the grif that we feel after losing someone and teach how to let go of loved one it's really emotionally. But its not getting the apprition that it deserves the opening seance give horrer to you and it's really emotional to watch it i could recommend it to everyone to watch it and appreciate the story.
    10mahamedabdillahi-26511

    Haunting, Beautiful, and Unforgettable - A Masterpiece of Atmosphere and Emotion

    The Summer Hikaru Died is the kind of story that creeps up on you - not just with its supernatural tension, but with a deeply human core that lingers long after the final page or scene. It's a quiet, eerie masterpiece that blends horror, grief, and love with incredible emotional precision.

    Set in a small rural town wrapped in mist and isolation, the story follows Yoshiki, a teenage boy dealing with a terrifying realization: the friend he once knew, Hikaru, might no longer be human. What unfolds isn't your typical horror tale, but something far more nuanced - a melancholic coming-of-age wrapped in cosmic dread.

    The writing (or adaptation, if you're reviewing the show) treats its characters with rare sensitivity. There's no rush to explain the mystery or force cheap scares. Instead, it focuses on building atmosphere, tension, and the fragile, complicated bond between two boys navigating love, fear, and loss. The ambiguity of their relationship - romantic? Platonic? Something more cosmic? - is part of the beauty. It invites interpretation without ever feeling coy or incomplete.

    Fans of Mushishi, Shiki, or A Silent Voice will feel at home here, but Hikaru stands on its own as a rare piece of horror that dares to be gentle, even as it horrifies.

    This is a story about grief, love, and the unknown. About how we cope when someone we love changes into something we can't quite understand - or when we change ourselves. It's not just one of the best horror titles of the year, it's one of the most emotionally resonant stories I've encountered in a long time. Absolutely essential.

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    Related interests

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    Adult Animation
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    Anime
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    Suspense Mystery
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    Teen Drama
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    Romance
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    Thriller

    Storyline

    Edit

    Did you know

    Edit
    • Trivia
      Mokumokuren first conceived of the series while studying for exams and later began posting drawings on Twitter, which led to the Young Ace Up editorial department approaching Mokumokuren to serialize the manga via the Young Ace Up website.

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    Details

    Edit
    • Release date
      • July 5, 2025 (United States)
    • Country of origin
      • Japan
    • Language
      • Japanese
    • Also known as
      • 光逝去的夏天
    • Production companies
      • CygamesPictures
      • Kadokawa
    • See more company credits at IMDbPro

    Tech specs

    Edit
    • Color
      • Color
    • Sound mix
      • Dolby Surround 7.1

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