40 Fun Facts About Beyond the Boundary

In Beyond the Boundary, what is the sword wielded by warrior Mirai Kuriyama formed from?

Her own blood hardens into a carmine blade, a power so feared that the rest of Mirai's clan was wiped out because of it.

Which trait of Akihito Kanbara lets Mirai Kuriyama stab him again and again as battle practice?

He cannot die because Akihito is a half-youmu, the child of a human and a youmu, yet every wound still hurts before it heals.

Akihito Kanbara is teased throughout Beyond the Boundary for his obsession with girls who wear what?

Glasses are Akihito's great weakness, and the Idol Trial web shorts put him on trial for it, with evidence that he stares into an eyewear store for hours.

Where is Mirai Kuriyama standing when Akihito Kanbara first rushes to save her in episode one?

The school rooftop is where Akihito thinks Mirai is about to jump, and she repays the rescue by running him through with her sword.

Which studio, also known for K-On! and Violet Evergarden, animated the Beyond the Boundary anime?

Kyoto Animation did more than animate it: the studio also published the original light novels under its own KA Esuma Bunko imprint.

Which item does Hiroomi Nase wear at all times in Beyond the Boundary, whatever the weather?

A scarf never leaves Hiroomi's neck because his supernatural powers leave him painfully sensitive to the cold.

Which costly hobby keeps Mirai Kuriyama permanently short of money in Beyond the Boundary?

Bonsai trees start appearing at club meetings in episode six, and Akihito works out that the little trees are the reason Mirai is always broke.

In episode six of Beyond the Boundary, how do the heroes distract a foul-smelling fruit youmu?

A song-and-dance number is rehearsed for a week and goes perfectly, but nobody was assigned to kill the youmu, which explodes and drenches them all.

Revealed late in the series, what does the title Beyond the Boundary turn out to name?

The youmu inside Akihito carries that name because it has the greatest destructive power of any youmu, so a warrior clan keeps him under constant watch.

What do the titles of all twelve Beyond the Boundary TV episodes have in common?

Each features a color, from Carmine for the opening episode to White World, Black World and Grey World for the final three.

Mirai Kuriyama finally joins a school club in episode five of Beyond the Boundary devoted to what?

Literature is the club's business, and Mirai holds out against joining for four episodes, giving in only after Akihito's constant pestering.

What does a slain youmu leave behind in Beyond the Boundary that warriors sell for income?

A stone forms at the core of every youmu, and appraisers value and trade them, which is how the warriors earn a living.

In Beyond the Boundary, which youmu once defeated five A-level Spirit World Warriors with ease?

Hollow Shadow also drives Mirai's backstory: it once possessed a friend of hers, and Mirai killed the girl out of fear.

In Beyond the Boundary, what is the phenomenon that leaves every youmu severely weakened called?

The Calm is dangerous for Akihito too, because it weakens his human side more than his youmu side and lets the monster surface.

Overusing her rare power leaves Mirai Kuriyama of Beyond the Boundary with which condition?

Anemia is the price of leaning on her gift, which is unique even among Spirit World Warriors and leaves her feeling isolated.

Where on Akihito Kanbara does Hiroomi Nase like to warm his fingers, to his friend's annoyance?

His armpits are the target, and one Idol Trial short even sentences Hiroomi to keep his hands stuck there for three days.

What is the name of the small rodent-like youmu that Mitsuki Nase keeps as a familiar?

Yakiimo shares its name with the roasted sweet potato that street vendors sell from trucks during the Japanese winter.

What kind of business does youmu appraiser Ayaka Shindō use as a front for ordinary humans?

A photo shop hides the appraisal trade, and when Mirai takes a part-time job there Ayaka pushes her into a modeling shoot for extra cash.

Ayaka Shindō of Beyond the Boundary looks human, but her true youmu form resembles which animal?

A fox with many tails is Ayaka's real shape, and she fights in that form when an intruder comes to her door to seize Akihito.

Sakura Inami hunts Mirai Kuriyama in Beyond the Boundary to avenge the death of which relative?

Her older sister was the one member of the family who showed Mirai kindness, and Sakura finally makes peace with Mirai after their duel in the sewers.

Which weapon, a gift from a mysterious man, does Sakura Inami wield against Mirai Kuriyama?

A spear that feeds on youmu is Sakura's only edge, since she has almost no spiritual power of her own, and in the end it tries to devour her too.

Which Observation Department interrogation officer is the main villain of Beyond the Boundary?

Miroku Fujima can kill a youmu simply by focusing on it, and he secretly harbors a youmu within his own body.

In which fictional city, named like an old Japanese month, is the Beyond the Boundary anime set?

Nagatsuki is the traditional name for the ninth month, and the city stages the lantern festival that Mitsuki finally attends in episode five.

Which author wrote the Beyond the Boundary light novels that Tomoyo Kamoi illustrated?

Nagomu Torii submitted the first novel to a writing contest run by an anime studio, which went on to publish three volumes itself.

What did the first Beyond the Boundary novel win in a contest run by its eventual publisher?

An honorable mention was the best on offer that year, because the judges declined to award a grand prize in any category.

Which director of the Beyond the Boundary series and films went on to direct Violet Evergarden?

Taichi Ishidate has said he was burnt out after the last TV episode, yet his staff's enthusiasm turned a planned follow-up series into two films.

Which singer performs the Beyond the Boundary opening theme and also voices Mitsuki Nase?

Minori Chihara, the voice of Yuki Nagato in the Haruhi Suzumiya series, came back to sing the theme of the sequel film as well.

Which flower names the Beyond the Boundary ending theme performed by Stereo Dive Foundation?

Daisy was the debut single of Stereo Dive Foundation, and it was reused as the theme of the first Beyond the Boundary film.

Which voice actress, also Kaori in Your Lie in April, plays Mirai Kuriyama in Beyond the Boundary?

Risa Taneda re-recorded every one of Mirai's lines for the first film, even though it simply retells the TV series.

Which Houston-based company licensed Beyond the Boundary and produced its English dub?

Sentai Filmworks put the series out on disc in North America two years after it aired, and later licensed the two films as well.

The film Beyond the Boundary: I'll Be Here was released in two parts carrying which subtitles?

Past and Future split the work between them: the first part retells the TV series, while the second is a new story set one year later.

In the Beyond the Boundary sequel film set a year after the TV series, what has Mirai Kuriyama lost?

Her memories are gone, and Akihito chooses to hide the truth from her, hoping to free Mirai from her miserable history.

Which Beyond the Boundary OVA, numbered episode zero, shows how Akihito first met the Nase siblings?

Daybreak is set three years before the series, when the siblings were sent on a mission to subdue Akihito.

Which item does Mirai Kuriyama remove in Beyond the Boundary to unleash her full power?

Her ring keeps her ability in check, and its sudden disappearance in the finale is what sends Akihito running to find her.

Besides hunting youmu, what day job does Shizuku Ninomiya hold in Beyond the Boundary?

A teacher at the heroes' own high school, Shizuku is a skilled fighter, yet the Idol Trial shorts put her in the dock for acting like a teenager.

Which streaming service simulcast Beyond the Boundary with English subtitles as it aired in Japan?

Crunchyroll began streaming episodes in North America on the day of the Japanese premiere and kept the series until 2022.

Which technique is the specialty of siblings Mitsuki and Hiroomi Nase and their clan?

Raising barriers, also called cages, lets the clan fence youmu out of a protected area, and the family governs the warriors of the whole district.

In Beyond the Boundary, youmu will exist as long as people do because they are born from what?

Negative human emotions such as hatred, jealousy and malice take physical form as youmu, though most are docile and live unnoticed beside humans.

On which website did the first Beyond the Boundary: Idol Trial! comedy shorts debut?

YouTube hosted the first three shorts, in which chibi versions of the heroines put their friends on trial, and two more followed later on disc.

Which meal does Mirai Kuriyama treat Akihito Kanbara to with her earnings from killing a youmu?

A beef bowl is her thank-you in episode two, and over it she pleads with Akihito to stay out of her affairs.