Oshi no Ko Season 4 Final Season Announced! Key Visual & Teaser Revealed

Oshi no Ko Season 4 Final Season Officially Announced!

The highly anticipated Oshi no Ko Season 4 (Final Season) has officially been greenlit! Immediately following the finale of Season 3, the production team dropped a bombshell announcement: the anime adaptation of the manga by Aka Akasaka and Mengo Yokoyari is heading into its final chapter.

Since its debut in April 2023 with Season 1, followed by Season 2 in July 2024, Oshi no Ko has taken the global anime community by storm. With Season 3 (which premiered on January 14, 2026) concluding its run, the official announcement of Season 4 as the Final Season confirms that Aqua and Ruby's quest to uncover the truth behind their mother Ai Hoshino's murder is finally reaching its end.

Final Season Key Visual & Teaser Video Now Revealed

Alongside the announcement, the production team has simultaneously released a brand-new key visual and teaser video.

Key Visual

The newly released key visual features Ai Hoshino, Aqua, and Ruby, the story's core characters, conveying an overwhelming sense of fate and emotional intensity as the series approaches its grand finale.

Teaser Video

The short teaser video not only looks back at the layered narrative built across the first three seasons, but also hints at the ultimate truths set to explode in Oshi no Ko Season 4, making the arrival of the finale feel undeniably close.

Main Cast Comments on the Final Season

With the announcement unlocked, the core voice cast shared their thoughts:

• Takeo Otsuka (voice of Aqua): "The Final Season is finally here. I'm looking forward to giving everything I have until the very end."

• Yurie Igoma (voice of Ruby): Expressed her strong determination to portray Ruby's ultimate fate.

• Megumi Han (voice of Kana Arima), Manaka Iwami (voice of Akane Kurokawa), and Rumi Okubo (voice of MEM-cho): All expressed gratitude for fans' continued support and pledged to run to the finish line alongside their characters.