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An Observation Log of My Fiancée Who Calls Herself a Villainess

Name: An Observation Log of My Fiancée Who Calls Herself a Villainess
Director: Junichi Yamamoto
Genre: Animation, Comedy, Sci-Fi & Fantasy
Released: 2026-04-06
Rating: 8.0

自称悪役令嬢な婚約者の観察記録。

AnimationComedySci-Fi & Fantasy

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We checked 8 streaming services in India on 04 Jun 2026 at 09:36 IST

2026

1 Season

12 Episodes

Returning Series

About

Bertia is reincarnated into her favorite otome game—not as the heroine, but as the villainess engaged to the perfect Crown Prince Cecil! Fully aware that her role is to sabotage his future romance, she’s determined to bloom as a wicked flower and wither away according to the story. But no matter how hard she tries to scheme, her “evil” plans only make her more endearing!

#prince#romance#slice of life#villainess#shoujo#anime#based on light novel

Cast

Yusuke Kobayashi

as Cecil Glo Alphasta (voice)

Miyu Tomita

as Bertia Ibil Noches (voice)

Seasons

Season 1

12 episodes2026

Episodes

Season 1

See all 12episodes →

An Observation Log of Meeting a Self-Proclaimed Villainess.

Apr 6, 202624m5.0

When Crown Prince Cecil is ten years old, he takes Bertia as his fiancée. She claims to have memories of her past life, and says that this is the world of an otome game she once played. She also says that she is a villainess. Cecil is generally bored, but her extraordinary statements spark curiosity in his heart.

An Observation Log of the Self-Proclaimed Villainess's Debut into Society

Apr 13, 202624m7.0

Bertia struggles to correct the scenario she has unintentionally altered. At the same time, Cecil enters Halm Academy, a boarding school. During this time in which the two of them spend more and more time apart, Bertia's mother becomes pregnant and it leaves Bertia worried about one thing.

An Observation Log of a Self-Proclaimed Villainess and Entering School.

Apr 20, 202624m7.0

Time passes and Bertia enrolls at Halm Academy, the same school as Cecil. At the same time, Heronia, the heroine of the otome game, also enrolls there. Wishing for a happy ending for Cecil, Bertia fights to bring the two of them together.

An Observation Log of a Self-Proclaimed Villainess and Love's Cupid.

Apr 27, 202624m7.0

In order for Cecil to find happiness with Heronia, avoiding the reverse harem route is essential. For that reason, Bertia has decided to become love's cupid, pairing Cecil's personal aide candidates with other noble ladies.

An Observation Log of a Self-Proclaimed Villainess and First Feelings.

May 4, 202624m7.0

Heronia grows impatient with the fact that the situation isn't unfolding according to the proper scenario and her attitude toward Bertia worsens. Since the moment Cecil left to study abroad, the harassment that Bertia faces, presumably spurred by Heronia, escalates by the day.

An Observation Log of a Self-Proclaimed Villainess and the Resolution of the Matter.

May 11, 202624m8.0

When Cecil learns that Bertia has been pushed down the stairs, he's assailed by an emotion he's never experienced before. Together with the members of the student council, he sets out to take retribution. They gather everyone in the courtyard in order to catch the true culprit.

An Observation Log of a Self-Proclaimed Villainess and Hatred.

May 18, 202624m7.0

Upon advancing to the high school division, Bertia begins avoiding Cecil. After turning the situation over in his mind, Cecil visits his father in order to investigate the nature of the Maiden of Destiny. The fated day, the graduation ceremony, quickly approaches.

An Observation Log of a Self-Proclaimed Villainess and Being Struck Speechless.

May 25, 202624m8.0

It's the day of the graduation ceremony. Bertia is resolved to have the tables turned on her and be struck speechless just as the game scenario dictates, but Cecil has prepared something entirely different. Then Heronia speaks up, accusing the villainess Bertia of heinous crimes.

Where does An Observation Log of My Fiancée Who Calls Herself a Villainess rank today?

An Observation Log of My Fiancée Who Calls Herself a Villainess is #1099 on the CineFlixo Daily Streaming Charts today.

Highest: #1099
Top 10: 0 days
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Watch An Observation Log of My Fiancée Who Calls Herself a Villainess Online Free — All Episodes in HD

Stream An Observation Log of My Fiancée Who Calls Herself a Villainess online free in HD on CineFlixo. A highly acclaimed animation, comedy, and sci-fi & fantasy series originally produced in Japonés and released in 2026, it's earned a solid 8.0/10 from 9 viewers worldwide.

About An Observation Log of My Fiancée Who Calls Herself a Villainess

An Observation Log of My Fiancée Who Calls Herself a Villainess Cast and Characters

The cast features Yusuke Kobayashi (as Cecil Glo Alphasta (voice)) and Miyu Tomita (as Bertia Ibil Noches (voice)). Their performances are a major reason An Observation Log of My Fiancée Who Calls Herself a Villainess has built such a passionate audience.

Where to Watch An Observation Log of My Fiancée Who Calls Herself a Villainess Online

On CineFlixo you can watch An Observation Log of My Fiancée Who Calls Herself a Villainess free — no account, no credit card, no ads in the middle of the show. We stream the full series in 720p / 1080p HD, with subtitles when available, on any device: phone, tablet, laptop, or smart TV browser.

▶ Watch An Observation Log of My Fiancée Who Calls Herself a Villainess Now

Why People Are Watching An Observation Log of My Fiancée Who Calls Herself a Villainess

There's a reason An Observation Log of My Fiancée Who Calls Herself a Villainess keeps showing up on "must-watch" lists. What makes it work is sharp comedic timing that lands consistently and world-building that respects the audience's intelligence. If you enjoy Japonés storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.

Frequently Asked Questions about An Observation Log of My Fiancée Who Calls Herself a Villainess

Where can I watch An Observation Log of My Fiancée Who Calls Herself a Villainess online for free?

You can watch An Observation Log of My Fiancée Who Calls Herself a Villainess online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.

How many episodes does An Observation Log of My Fiancée Who Calls Herself a Villainess have?

An Observation Log of My Fiancée Who Calls Herself a Villainess has 12 episodes across 1 season. All episodes are available to stream right here on CineFlixo.

Is An Observation Log of My Fiancée Who Calls Herself a Villainess good? What's the rating?

An Observation Log of My Fiancée Who Calls Herself a Villainess holds a 8.0/10 rating based on 9 reviews — genuinely excellent.

Who is in the cast of An Observation Log of My Fiancée Who Calls Herself a Villainess?

The main cast includes Yusuke Kobayashi and Miyu Tomita.

Is An Observation Log of My Fiancée Who Calls Herself a Villainess available in Japonés?

Yes — An Observation Log of My Fiancée Who Calls Herself a Villainess was originally produced in Japonés and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.

When was An Observation Log of My Fiancée Who Calls Herself a Villainess released?

An Observation Log of My Fiancée Who Calls Herself a Villainess first aired in 2026.

Do I need an account to watch An Observation Log of My Fiancée Who Calls Herself a Villainess on CineFlixo?

No. CineFlixo is free and you can watch An Observation Log of My Fiancée Who Calls Herself a Villainess without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.

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Frequently Asked Questions

Where can I watch An Observation Log of My Fiancée Who Calls Herself a Villainess for free?

You can watch An Observation Log of My Fiancée Who Calls Herself a Villainess online for free on CineFlixo. All 12 episodes across 1 season are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.

How many seasons and episodes does An Observation Log of My Fiancée Who Calls Herself a Villainess have?

An Observation Log of My Fiancée Who Calls Herself a Villainess currently has 1 season and a total of 12 episodes. The series status is "Returning Series", so the episode count may grow as new seasons are released. You can browse the full episode list on CineFlixo and continue watching from where you left off.

What is An Observation Log of My Fiancée Who Calls Herself a Villainess about?

Bertia is reincarnated into her favorite otome game—not as the heroine, but as the villainess engaged to the perfect Crown Prince Cecil! Fully aware that her role is to sabotage his future romance, she’s determined to bloom as a wicked flower and wither away according to the story. But no matter how hard she tries t… It belongs to the Animation, Comedy, Sci-Fi & Fantasy genres.

In which language is An Observation Log of My Fiancée Who Calls Herself a Villainess originally available?

An Observation Log of My Fiancée Who Calls Herself a Villainess was originally produced in JA. On CineFlixo the show is available in its original JA audio. Check the player options on the watch page for available subtitle tracks.

When was An Observation Log of My Fiancée Who Calls Herself a Villainess first released?

An Observation Log of My Fiancée Who Calls Herself a Villainess first premiered on April 6, 2026 (2026). The show is still ongoing with new episodes being released.