Synopsis of the Anime 'Oshi no Ko' Season 3, Presents a Darker and More Mysterious Story

Kapanlagi.com - Oshi no Ko is a successful anime series that explores the dark side of the Japanese entertainment industry. The story centers on twins Aqua and Ruby Hoshino, who are reincarnations of a doctor and his patient. They are the children of famous pop idol, Ai Hoshino. Its first season shocked audiences with stunning visuals and an intense storyline, beginning with the tragic story of Ai's death.

The series then evolves into a dark and mysterious revenge drama. Aqua vows to find and expose their biological father as the mastermind behind their mother's death, while Ruby pursues Ai's dream as an idol in the group B-Komachi. The second season brings them closer to the truth, forcing them to confront heavy moral dilemmas. With the announcement of the third season, the tale of revenge and the quest for truth behind this glittering star is set to enter a more dramatic chapter.

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1. Synopsis of Oshi no Ko Season 3

The third season of Oshi no Ko is expected to continue the adaptation of the manga arc following the conclusion of the second season. The focus of the story is predicted to shift to Ruby Hoshino and her career journey as an idol. This arc, known as the Mainstay Arc, will place Ruby in the spotlight as she and B-Komachi face new challenges in the industry, including potential scandals that could threaten their image and careers.

At the same time, Aqua's search for his biological father, Hikaru Kamiki, and his determination for revenge will reach a critical point. After various shocking clues and revelations in the previous season—including the fact that Ruby is also seeking revenge after discovering the tragic truth about Doctor Gorou—the relationship between the twins is expected to become increasingly complicated and tense. This season will delve deeper into Aqua's motives and the impact of his revenge plans, which may involve efforts to trap Hikaru and draw him out of the shadows. With everything at stake, the third season promises intense emotional confrontations and the revelation of long-hidden secrets.

2. Broadcast Schedule (Watch Info)

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Oshi no Ko 3rd Season is scheduled to premiere in January 2026.

Although a specific date in January has not been announced, fans can already mark the beginning of 2026 as the moment this hit anime returns.

Based on previous seasons, Oshi no Ko will likely be available for streaming on platforms like HIDIVE in certain international regions. In Indonesia, information regarding the official streaming platform will be announced closer to the release date, but popular anime series often also appear on platforms like Netflix or Bilibili (Bstation). Be sure to always check for official announcements from the anime distributor.

3. Cast Lineup

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The main voice cast (Seiyuu) from previous seasons is expected to return to reprise their roles, along with new additions for characters introduced in the upcoming arc.

Here are some of the main cast members expected to return, along with some new additions that have been confirmed:

Aquamarine Hoshino (Aqua) (Takeo Ootsuka)
Ruby Hoshino (Yurie Igoma)
Kana Arima (Megumi Han)
Akane Kurokawa (Manaka Iwami)
Memcho (Rumi Ookubo)
Hikaru Kamiki (Mamoru Miyano)
Shun Yoshizumi (Yuto Takenaka (New character))
Tetsu Urushibara (Yoji Ueda (New character))

4. Check Out the Trailer

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