Love, Misunderstood: Betrothed to My Sister’s Ex Drops Key Visual, Trailer, and Theme Songs Ahead of July 2025 Premiere
In a season filled with romantic turmoil, Betrothed to My Sister’s Ex stands out with a captivating blend of drama, heartbreak, and unexpected romance. The anime, set to premiere on July 4, 2025, has just revealed a beautifully crafted key visual, an emotionally charged trailer, new cast members, and its highly anticipated opening and ending theme songs. Fans of twisted romantic tales are already calling this a must-watch for Summer 2025.
A Twist of Fate, a Case of Mistaken Love
The story revolves around Marie, voiced by Rena Motomura, a baron’s daughter whose appearance and status have left her living in the shadows. With her tangled red hair and worn-down clothes, Marie has long been treated like a servant in her own home. But her life takes a dramatic turn when Count Granado—voiced by Daiki Hamano—the wealthiest man in the country and an infamous misogynist, unexpectedly falls for her at first sight.
However, fate plays a cruel joke: Granado mistakenly believes Marie is her more regal-looking sister, Anastasia. Without hesitation, he proposes to Anastasia, completely unaware that it’s Marie who captured his heart. This heart-wrenching misunderstanding sets off a whirlwind of emotional entanglements, jealousy, and a potential second chance at love.
Visuals, Cast, and Music that Speak Volumes
The newly released key visual highlights the emotional tension between the central characters, while the trailer showcases stunning animation and glimpses of the intense romance and internal conflicts that lie ahead. The series is animated by LandQ Studios, with Takayuki Kitagawa serving as director and Masakazu Kitagawa as assistant director. Kenta Ihara, known for his nuanced writing, handles the script and series composition.
Joining the voice cast are four newly announced talents who will play pivotal supporting roles in Marie and Granado’s evolving relationship. Meanwhile, the soundtrack promises to elevate the emotional core of the anime: the opening theme “Gesshoku” by krage and the ending theme “Marie” by Myuk have already begun garnering attention for their melodic storytelling and emotive delivery.
From Novel to Manga to Screen
Based on the light novel series by Tobirano, with illustrations by Mai Murasaki, Betrothed to My Sister’s Ex explores how misjudgment and social hierarchy can alter lives in an instant. Its manga adaptation by Nakagura Chikage is already gaining traction under Futabasha’s Monster Comics F imprint, with an official English version available on Pocket Comics. The transition from print to screen is being handled with great care, preserving the raw emotional weight that fans of the novel cherish.
A New Take on the “Villainess” Genre
In contrast to typical isekai and noble romance stories, Marie is not the villainess—but rather the misunderstood heroine who never had a voice. Her quiet resilience, sense of justice, and refusal to play the victim make her a deeply relatable protagonist. Her journey from overlooked daughter to a woman worthy of love and respect is at the heart of this anime, making it more than just a romantic drama—it’s a tale of redemption and identity.
If you’re looking for a compelling anime that blends romantic tragedy with empowerment, Betrothed to My Sister’s Ex might be your next obsession. Don’t miss the premiere on July 4, 2025, and for more anime news, previews, and detailed breakdowns, visit www.nestfact.com — where storytelling meets fandom.
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