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Netflix's next big hit anime The Summer Hikaru Died goes hard into cosmic horror

Who knew that we all needed to see the pure love between a young man and an eldritch being from beyond the stars? Netflix, apparently.

The Summer Hikaru Died Screenshot
Image credit: Netflix

Do you know what every great horror story needs? A little romance mixed in. That is the real fun of The Summer Hikaru Died, which has been on our radar for a while. The series manages to mix cosmic horror in the normally sweet and innocent Boys Love genre to great results and the upcoming anime adaptation looks like it is going to do the same when it hits Netflix this summer.

The Summer Hikaru Died follows Yoshiki and Hikaru, two teenage boys living in a small town in rural Japan. However, after Hikaru’s body is taken over by an eldritch being, their already complicated relationship becomes significantly more strained. The imagery in the newest trailer highlights the mix of Boys Love romance and cosmic horror in a way that shouldn’t work but clearly does. There is surreal horror mixed with touching declarations. A tender moment that suddenly becomes Hikaru’s chest opening up to consume someone. This is a show that is all about weird contrasts and tonal whiplash and we’re here for it.

Securing the rights to The Summer Hikaru Died is one of the big wins for Netflix in an increasingly packed summer 2025 anime line-up that includes new seasons of Sakamoto Days, My Dress-Up Darling, Kaiju No. 8, and Dan Da Dan. Hopefully, the cosmic horror elements of The Summer Hikaru Died help it to stand out from the crowd because this looks like a unique anime experience.

The Summer Hikaru Died comes to Netflix on July 5, 2025 and we’re ready for it to creep us out and break our hearts all at the same time.


Trent Cannon

Trent Cannon: Trent is a freelance writer who has been covering anime, video games, and pop culture for a decade. (He/Him)

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