If you thought the entertainment industry was done hurting you, think again. Oshi no Ko Season 4 has been officially confirmed as the Final Season, and the anime community is collectively holding its breath. Announced at the Ichigo Production Fan Thanksgiving 2026 event back in August, this confirmation came with a brand-new teaser visual and trailer that sent shockwaves through every corner of anime social media.
And if you have been following Aquamarine Hoshino and Ruby Hoshino since Season 1, you already know: this ending is not going to be gentle.
The Final Season Announcement Shook Fans to Their Core
When Season 3 wrapped up in March 2026 on Crunchyroll, the post-credits sequence dropped the bombshell: Oshi no Ko Season 4 (Final Season) was officially greenlit. The announcement was accompanied by a stunning key visual featuring both Aqua and Ruby in their most emotionally charged poses yet, staring in opposite directions as the entertainment world crumbles around them.
The series, produced by Doga Kobo and directed by Daisuke Hiramaki, has been one of the most critically acclaimed anime adaptations in recent memory. With character designs by Kanna Hirayama and music composed by Takuro Iga, the production quality has consistently exceeded expectations across all three seasons.
Why This Adaptation Matters More Than Any Other Anime Finale
Unlike most anime finales that simply wrap up a battle or resolve a romance, Oshi no Ko’s ending tackles something far darker and more personal. The manga, written by Aka Akasaka (the genius behind Kaguya-sama: Love Is War) and illustrated by Mengo Yokoyari, concluded in November 2024 with a devastating final arc that left readers genuinely shaken.
The story follows the Hoshino twins as they navigate Japan’s ruthless entertainment industry while hunting for the truth behind their mother Ai Hoshino‘s murder. Season 3 already adapted some of the most intense material, including the 15 Years of Lies film production arc and the twins finally discovering each other’s reincarnated identities. But the real emotional nuclear bomb is still ahead.
The Movie Within the Movie Changes Everything
Season 4 will cover the climactic final arc of the manga, centering on the autobiographical film 15 Years of Lies, which Aqua wrote as a deliberate trap to lure out Hikaru Kamiki, the man he believes orchestrated Ai’s death. Ruby secures the lead role in the film, and the tension between the twins reaches its absolute breaking point.
What makes this finale so devastating is not just the revenge plot. It is the way Aka Akasaka weaves themes of sacrifice, identity, and the toxic nature of obsessive fandom into a story that refuses to give easy answers. Aqua’s ultimate choice in the manga left the community divided for months, and seeing it animated by Doga Kobo will almost certainly amplify the emotional impact tenfold.
For context: when the manga’s final chapter dropped, other major anime series premiering this fall were temporarily overshadowed by the sheer volume of fan reactions online.
What the Teaser Trailer Revealed
The teaser trailer released at the Ichigo Production event was deliberately cryptic, showing fragmented shots of:
- Aqua standing alone on a cliff overlooking the ocean, his star-eye flickering
- Ruby performing on stage with B-Komachi, tears streaming down her face mid-performance
- Akane Kurokawa and Kana Arima reaching out toward someone unseen
- A haunting final shot of Ai Hoshino‘s silhouette, with the tagline: “The final lie will set you free”
Fans immediately noticed the trailer’s color palette shifting from the series’ signature vibrant pinks and purples to muted grays and deep blues, a deliberate visual signal that Season 4 is going to be the darkest chapter yet.
Over 25 Million Copies and Counting
By December 2025, the Oshi no Ko manga had surpassed 25 million copies in circulation, cementing it as one of the most successful manga series of the 2020s. The anime adaptation on Crunchyroll has been a consistent top performer, with Season 3 ranking in the top streaming charts alongside other Fall 2026 heavyweights.
The English-language release by Yen Press has also performed exceptionally well, making Oshi no Ko one of the rare manga series that achieved true global mainstream crossover success alongside titles like Jujutsu Kaisen and Spy x Family.
When Will Season 4 Air?
An exact premiere date has not been announced yet, but based on the production timeline and the fact that the teaser visual and trailer have already been revealed, most industry analysts expect Oshi no Ko Season 4 to premiere sometime in Spring or Summer 2027. Crunchyroll has already confirmed they will stream the final season globally.
If you have not caught up yet, now is the time. Seasons 1 through 3 are all available on Crunchyroll, and trust us: you want to be emotionally prepared before this final season drops. Check out our coverage of other massive anime announcements this season to see how stacked the anime landscape has become.
What Do You Think?
Are you ready for Oshi no Ko to end? Do you think Doga Kobo can do justice to the manga’s controversial finale? Will the anime change anything from Aka Akasaka and Mengo Yokoyari‘s original ending? Drop your thoughts and predictions below. This is going to be the most debated anime finale since Attack on Titan, and we are here for every single hot take.
