The upcoming TV anime adaptation of the classic shojo manga Red River (Akai Kawa no Hotori) has revealed its first teaser trailer, main cast, and opening theme details ahead of its scheduled premiere in July 2026.
The anime will star Miku Tachibana as protagonist Yuri and Wataru Kato as Prince Kyle Mursili. In addition, Hiroki Nanami will perform the opening theme song and also appear in the series as narrator and the voice of Himuro.
Along with the teaser PV, comments from the cast members have been released, giving fans insight into their excitement about bringing this beloved story to life.
A Legendary Shojo Manga Finally Gets an Anime Adaptation
Originally created by Chie Shinohara, Red River was serialized in Shojo Comic magazine from 1995 to 2002.
Over the years, the manga became one of the most celebrated historical romance series in the shojo genre.
Major Achievements of the Manga
Over 20 million copies sold worldwide (including digital editions as of 2026)
Winner of the 46th Shogakukan Manga Award (Shojo category)
Adapted into a stage musical by the Takarazuka Revue in 2018
Translated into multiple languages and widely loved internationally
Despite its massive popularity, fans had waited more than two decades for an anime adaptation—making this announcement particularly exciting.
Story Overview: A Girl Transported to the Ancient World
The story follows Yuri Suzuki, an ordinary Japanese high school student whose life changes dramatically when she is mysteriously transported back in time to the Hittite Empire in the 14th century BC.
Soon after arriving, Yuri encounters Prince Kyle Mursili, a brilliant and charismatic royal who is next in line for the imperial throne.
Key Plot Points
Yuri is summoned during a ritual orchestrated by the powerful Empress
Prince Kyle rescues her and brings her under his protection
Yuri gradually wins the trust of soldiers and citizens
Her bravery earns her the title “Ishtar, the Goddess of War”
As time passes, Yuri becomes entangled in political conspiracies, royal rivalries, and wars with neighboring kingdoms. Meanwhile, the possibility of returning to modern Japan forces her to confront her growing feelings for Kyle.
The central question of the story becomes:
Will Yuri return to her own time, or remain in the ancient world she has come to love?
Teaser PV Hints at an Epic Historical Drama
The newly released teaser trailer offers the first glimpse of the anime’s tone and scale.
The video features:
Yuri’s sudden arrival in the ancient world
Prince Kyle reaching out to protect her
Grand palace scenes in the Hittite Empire
Political intrigue and looming conspiracies
The introduction of major characters including Zananza, Mattiwaza, and Ramses
Despite facing a harsh and unfamiliar fate, Yuri boldly declares that she will not run away and will fight to survive, highlighting her strong-willed personality.
The trailer suggests the anime will blend romance, historical drama, and large-scale political conflicts.
Main Cast and Character Voices
The production team has revealed the main voice cast bringing the iconic characters to life.
Main Characters
Yuri Suzuki — voiced by Miku Tachibana
Prince Kyle Mursili — voiced by Wataru Kato
Himuro (Yuri’s modern-day boyfriend) & Narration — voiced by Hiroki Nanami
Each actor shared their enthusiasm about participating in the anime adaptation.
Cast Comments
Miku Tachibana (Voice of Yuri)
Tachibana described the moment she was cast as Yuri as surreal and unforgettable. She explained that Yuri’s strongest trait is her determination—once she decides on a path, she moves forward without hesitation, even through difficult circumstances.
She hopes to deliver a performance that satisfies longtime fans while introducing the character to new audiences.
Wataru Kato (Voice of Prince Kyle)
Kato emphasized that Kyle’s greatest priority is the peace and stability of his kingdom. As a prince responsible for protecting his nation, Kyle carries enormous pressure.
However, the sudden appearance of Yuri gradually changes him. As the story unfolds, Yuri becomes one of the most important people in his life, creating emotional conflict between love and duty.
Hiroki Nanami (Narration / Himuro)
Nanami revealed that she has been a fan of the original manga for many years. She expressed deep gratitude for the opportunity to participate in the anime as both a voice actor and singer.
She hopes viewers will enjoy seeing this long-beloved story come to life through animation.
Opening Theme Song
The anime’s opening theme will be “Akatsuki no Sora” performed by Hiroki Nanami.
Song Details
Lyrics: Hiroki Nanami
Composition & Arrangement: YASUHIRO
Label: King Records
The song is expected to capture the emotional intensity of Yuri’s journey and the sweeping scale of the historical setting.
Production Staff and Studio
The anime will be produced by Tatsunoko Production, a well-known studio with decades of experience in anime production.
Key Staff
Director — Kosuke Kobayashi
Series Composition — Yoriko Tomita
Character Design — Kenji Fujisaki
Sound Director — Hiroto Morishita
Music — Yoshihisa Hirano
To ensure historical authenticity, the production also includes historical research advisors specializing in Anatolian archaeology and Middle Eastern history.
Why Fans Are Excited
The anime adaptation has generated significant anticipation for several reasons.
Classic Story Finally Animated
Fans have waited years to see the beloved manga adapted into animation.
Unique Historical Setting
Few anime explore the ancient Hittite Empire.
Strong Female Protagonist
Yuri’s courage and determination make her a memorable heroine.
Epic Romance
The relationship between Yuri and Prince Kyle remains one of the most iconic shojo romances.
Experienced Production Team
Tatsunoko Production brings strong animation expertise to the project.
Final Thoughts
The anime adaptation of Red River (Akai Kawa no Hotori) marks an exciting moment for fans of classic shojo manga. With its rich historical setting, emotional romance, and dramatic political intrigue, the story continues to captivate readers decades after its original publication.
As the July 2026 premiere approaches, the teaser trailer and cast announcements have already sparked widespread excitement.
For longtime fans and newcomers alike, this adaptation promises to bring one of shojo manga’s most beloved historical romances to life in a spectacular new way.
