Engaged to the Unidentified
未確認で進行形
We checked 8 streaming services in India on 04 Jun 2026 at 11:19 IST
About
Just an ordinary teenager, Kobeni Yonomori receives quite the surprise on her 16th birthday—a fiancé and a sister-in-law she never even knew she had. As a result of an arrangement that her late grandfather made, Hakuya Mitsumine and his younger sister Mashiro have moved from their countryside home to the Yonomori household in order to deepen their relationship with their new family members. This story follows Kobeni's "love life" with Hakuya as she tries her best to adjust to the abrupt changes forced upon her. However, as some extraordinary secrets regarding the siblings come to light, Kobeni will find her life changed forever.
Cast
Aimi
as Mayura Momouchi (voice)
Asuka Kakumoto
as Niko Oono (voice)
Yui Watanabe
as Akane Yonomori (voice)
Yuri Komagata
as Shirayuki Mitsumine (voice)
Saki Fujita
as Konoha Suetsugi (voice)
Wataru Hatano
as Hakuya Mitsumine (voice)
Haruka Terui
as Kobeni Yonomori (voice)
Ayane Sakura
as Nadeshiko Kashima (voice)
Eriko Matsui
as Benio Yonomori (voice)
Yu-ri Yoshida
as Mashiro Mitsumine (voice)
Seasons
Episodes
Season 1
First Impressions are Everything
Kobeni Yonomori, who has just turned sixteen, is shocked to learn she has a fiancée named Hakuya Mitsumine who, along with his little sister Mashiro, come to live with her and her older sister Benio. As Kobeni struggles to remember just who Hakuya is, Mashiro finds herself at the mercy of the siscon tendencies of Benio. Later, both Hakuya and Mashiro transfer into Kobeni's class, with Mashiro disturbed to find Benio has a completely different personality at school.
A Loli Sister-in-Law Isn't All That Bad
As Mashiro tries to come to grips with Benio's popularity at school, Kobeni continues to try and remember about Hakuya. Later, Mashiro gets spooked at the thought of aliens existing. Meanwhile at school, Mashiro accidentally lets slip to the class that Hakuya is living with Kobeni.
I Can Feel the RomCom Waves
Whilst Benio finally gets Mashiro to come to the student council room for tea, Kobeni goes with Hakuya to buy some ingredients for scones. Curious as to why Hakuya is so thoughtful of her, Kobeni asks Benio why she hasn't objected to Hakuya becoming Kobeni's fiancée. Benio explains that when Kobeni was younger, Hakuya protected her when she fell down a cliff, leading Kobeni to feel guilty that she couldn't remember it.
She's Just a Pervert
The morning after learning about Hakuya, Kobeni ends up with a fever due to her weak body. As Benio informs Mashiro and Hakuya about what she told Kobeni, she blames herself for Kobeni's accident back then, as she had Kobeni take her place alongside Hakuya so she could go and play. The next morning, Kobeni opts to stay at home alone whilst the others go to school, though Mashiro comes back to help her as soon as school ends, where Kobeni shows her the scar she received back then. The next morning, as Kobeni starts feeling a bit better, Hakuya suddenly rushes out of the house when he notices Kobeni struggling to face him properly. Kobeni catches up to him and states that, even though she doesn't remember anything, she owes him her thanks, becoming awed by his smile. Later that night, Mashiro and Hakuya receive a letter from their family, saying they will be sending someone to check up on them.
This Woman Has Given Birth?
Kobeni learns about a member of the Mitsumine family coming over, along with the fact that Mashiro is nine years old. Whilst shopping for supplies for her guest, Kobeni comes across a young woman who had gotten lost on her way somewhere and helps her out. This woman turns out to Mashiro and Hakuya's mother, Shirayuki, who casually lets slip that their family isn't human. This causes Kobeni to have another fever as she remembers more things about her past, where Hakuya was allegedly a dog. Shirayuki later tells Kobeni that her constant fevers are the result of Hakuya giving her half of his inhuman power to save her life. Before taking her leave, Shirayuki gives Kobeni her thanks for treating Hakuya well, mentioning how he picked up his habit of stroking her head from her.
I Know! I'll Fill It with a Sister-in-law
Kobeni's mother, Akane, who had always known the Mitsumines weren't human, tells Kobeni that she is no less thankful to them for saving her life. The next morning, Kobeni tries to learn more from Hakuya and Mashiro about their other forms, though Hakuya refuses to transform in front of her. As Kobeni turns her attention towards Valentine's Day, she ponders whether she should marry Hakuya or not. On Valentine's Day, Kobeni tries to work up the courage to give Hakuya some chocolate, but has trouble finding the chance. She finally gets the opportunity after her friend, Mayura Momouchi, comes over.
That is That, and This is This
Student Council secretary Konoha Suetsugi feels some hostility towards Kobeni and Mashiro because of their closeness to Benio. Newspaper Club member Niko Ōno offers to help get some dirt on them, though her overenthusiasm proves too much for Konoha to keep under control. Konoha becomes more paranoid as Kobeni keeps walking in on her private outbursts. After having a brief argument with her over Benio, Mashiro suspects that Konoha is part of the same species as they are, with Konoha coming to realise the same thing.
Only a Sister can Heal a Scar Left by a Sister
As Kobeni decides to keep Konoha's true identity a secret from Benio, Niko continues to investigate her, despite warnings from Hakuya. Later, Mashiro and Konoha find some time alone to confirm they are from the same species, with Konoha assuming they were trying to get close to Benio. After Mashiro and Hakuya confirm this isn't the case, Konoha tells Hakuya that, as a male of the same species, he should marry her, which Kobeni overhears.
Where does Engaged to the Unidentified rank today?
Engaged to the Unidentified is #3197 on the Bowood.TV Daily Streaming Charts today.
- Highest: #3197
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Watch Engaged to the Unidentified Online Free — All Episodes in HD
Stream Engaged to the Unidentified online free in HD on Bowood.TV. A popular animation, sci-fi & fantasy, and comedy series originally produced in Japanese and released in 2014, it's earned a solid 6.9/10 from 40 viewers worldwide.
About Engaged to the Unidentified
Just an ordinary teenager, Kobeni Yonomori receives quite the surprise on her 16th birthday—a fiancé and a sister-in-law she never even knew she had. As a result of an arrangement that her late grandfather made, Hakuya Mitsumine and his younger sister Mashiro have moved from their countryside home to the Yonomori household in order to deepen their relationship with their new family members. This story follows Kobeni's "love life" with Hakuya as she tries her best to adjust to the abrupt changes forced upon her. However, as some extraordinary secrets regarding the siblings come to light, Kobeni will find her life changed forever. Across 1 season and 12 episodes, originally airing on AT-X.
Engaged to the Unidentified Cast and Characters
The cast features Aimi (as Mayura Momouchi (voice)), Asuka Kakumoto (as Niko Oono (voice)), Yui Watanabe (as Akane Yonomori (voice)), Yuri Komagata (as Shirayuki Mitsumine (voice)), and Saki Fujita (as Konoha Suetsugi (voice)). Their performances are a major reason Engaged to the Unidentified has built such a passionate audience.
Where to Watch Engaged to the Unidentified Online
On Bowood.TV you can watch Engaged to the Unidentified 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 Engaged to the Unidentified NowWhy People Are Watching Engaged to the Unidentified
Engaged to the Unidentified flies under the radar but it deserves your attention. What makes it work is sharp comedic timing that lands consistently and world-building that respects the audience's intelligence. If you enjoy Japanese 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 Engaged to the Unidentified
Where can I watch Engaged to the Unidentified online for free?
You can watch Engaged to the Unidentified online free on Bowood.TV. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How many episodes does Engaged to the Unidentified have?
Engaged to the Unidentified has 12 episodes across 1 season. All episodes are available to stream right here on Bowood.TV.
Is Engaged to the Unidentified good? What's the rating?
Engaged to the Unidentified holds a 6.9/10 rating based on 40 reviews — a solid pick if the genre interests you.
Who is in the cast of Engaged to the Unidentified?
The main cast includes Aimi, Asuka Kakumoto, Yui Watanabe, and Yuri Komagata, plus a strong supporting ensemble.
Is Engaged to the Unidentified available in Japanese?
Yes — Engaged to the Unidentified was originally produced in Japanese and that's the version you'll stream here on Bowood.TV. English subtitles are provided when available.
When was Engaged to the Unidentified released?
Engaged to the Unidentified first aired in 2014.
Do I need an account to watch Engaged to the Unidentified on Bowood.TV?
No. Bowood.TV is free and you can watch Engaged to the Unidentified without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
Similar Series You Might Like
If you enjoyed Engaged to the Unidentified, check out #Hashtag, Miss Night and Day, Rock Is a Lady's Modesty, Is Love Reality Full of Lies?, and 炎の闘球女 ドッジ弾子.
Frequently Asked Questions
Where can I watch Engaged to the Unidentified for free?
You can watch Engaged to the Unidentified online for free on Bowood.TV. 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 Engaged to the Unidentified have?
Engaged to the Unidentified currently has 1 season and a total of 12 episodes. The series status is "Ended", so the episode count may grow as new seasons are released. You can browse the full episode list on Bowood.TV and continue watching from where you left off.
What is Engaged to the Unidentified about?
Just an ordinary teenager, Kobeni Yonomori receives quite the surprise on her 16th birthday—a fiancé and a sister-in-law she never even knew she had. As a result of an arrangement that her late grandfather made, Hakuya Mitsumine and his younger sister Mashiro have moved from their countryside home to the Yonomori ho… It belongs to the Animation, Sci-Fi & Fantasy, Comedy genres.
In which language is Engaged to the Unidentified originally available?
Engaged to the Unidentified was originally produced in JA. On Bowood.TV the show is available in its original JA audio. Check the player options on the watch page for available subtitle tracks.
When was Engaged to the Unidentified first released?
Engaged to the Unidentified first premiered on January 9, 2014 (2014). The series has since concluded its run.
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