Beyond the Boundary

Overview
Akihito Kanbara, a sophomore in high school, is the protagonist of this dark fantasy. He looks like an ordinary human, but he's actually half Youmu and can recover from any injury almost instantly. One day, he spots a freshman named Mirai Kuriyama on the school rooftop, seemingly ready to jump. Mirai keeps to herself because her power to control blood is seen as taboo among spirit-world beings. After Akihito rescues her, a series of unsettling events begins to unfold.
Episodes
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1

Carmine
Akihito spots a girl poised to leap from the school roof and, to his own astonishment, bolts up the stairs to stop her. But the girl he pulls back fro...
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2

Ultramarine
Akihito steps in to help Mirai take down one of the first youmu she's ever faced. Hoping the victory will bring them closer, he's caught off guard whe...
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3

Moonlight Purple
The Hollow Shadow looms closer with each passing moment. Akihito realizes Mirai intends to throw herself into battle against this formidable youmu, ev...
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4

Bitter Orange
Mirai and Akihito are locked in battle against the Hollow Shadow, all while evading Sakura's strikes. This youmu wields a terrifying power—it can ta...
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5

Chartreuse Light
After venturing too close to the Hollow Shadow, Mirai is banned from hunting youmu for an entire month. With no income from her usual work, she's forc...
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6

Shocking Pink
Mirai sets out to hunt down a lecherous youmu that preys on human girls. After it douses Mitsuki in its foul-smelling spray, the Literary Club has no ...
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7

Color of Clouds
Sakura finally stands ready to face Mirai, forcing Mirai to choose between fighting for her life and dying to atone. As the moment of confrontation ar...
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8

Calming Gold
The Calm approaches—a perilous season for the youmu, as their strength dwindles during this time. Yet what does that mean for Akihito, that extraord...
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9

Silver Bamboo
Izumi reveals that Akihito's transformation into a youmu may be irreversible. She warns Mirai that unless she kills him during the Calm, he will fully...
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10

White World
Within a dream, Mirai reveals to Akihito the truth of their battle and the reasons it had to unfold as it did. The scene then shifts back six months i...
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11

Black World
Akihito is frantic after discovering that Mirai has disappeared. To make matters worse, the town itself feels strangely unsettling. He keeps detecting...
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12

Gray World
With Akihito and Mirai finally back together, the two must join forces to take down the core of Beyond the Boundary. Yet as the decisive battle looms,...