Beast Master

Beast Master Review: The Animal Lover Animals Run From, and the Boy Animals Adore

by Kyousuke Motomi

★★★☆☆CompletedT (Teen)
Reviewed by Yu

Read the first volume. If it doesn't hook you, put it down. It'll hook you.

Buy Beast Master on Amazon →

*Affiliate link — I earn a small commission at no extra cost to you.

I grew up being the kid other kids were a little scared of. Quiet, hunched, didn't talk much — and I learned early that people decide who you are before you open your mouth. So when I picked up Beast Master and met Leo Aoi on the first page, this boy with wild eyes and a face that empties a room, and then watched a cat walk straight up and curl against his leg while every human edged away — something in me went still. That contrast, the gap between how the world reads you and what's actually inside you, is the whole engine of this little two-volume story. I read both volumes in one afternoon. I think about it more than its length has any right to make me.

Quick Take

  • Kyousuke Motomi's breakthrough work (she later drew Dengeki Daisy and Queen's Quality) — all her signatures in miniature: the scary-faced gentle boy, the direct unflappable girl, fast genuine connection
  • The premise is a perfect mirror: Yuiko loves animals who flee her; Leo terrifies people but animals love him — they're each the other's missing half
  • 2 volumes, complete, T (Teen) — light violence tied to Leo's berserk episodes, nothing graphic

Story Overview

Yuiko Kubozuka has a heartbreak built into her: she loves animals with everything she has, and every animal she meets bolts from her. It stings doubly because her father is a veterinarian — she grew up surrounded by creatures who want nothing to do with her.

Then Leo Aoi transfers into her class. Wild-eyed, scarred, radiating menace, he clears space around himself just by existing; the other students assume the worst and keep their distance. Yuiko is the first person to look past the face and see what's underneath: a gentle, almost childlike boy who was raised in the wild and who animals trust on sight. She's stunned — the very thing she can't get, animals flocking to a person, comes effortlessly to the one boy everyone else avoids.

But Leo carries a darker secret. When he's threatened — specifically when he sees blood — he loses himself and turns violent, as savage as the beast people already think he is. And Yuiko, his first real friend, turns out to be the one person whose voice can reach him and pull him back from that state. Their bond is mutual and concrete from the start: she gives him the human acceptance he's never had, he gives her the animal connection she's always craved, and she alone can call him home when he goes under.

The second volume turns up the pressure. As Leo's eighteenth birthday approaches, his past closes in: he's the heir to a fortune — 120 billion yen — and relatives who want it are willing to hurt him to get him out of the way. His father appears to take him away, ostensibly to keep him safe. The climax isn't a fight; it's a choice. After an attack by one of those relatives, Leo, given the option to run, comes back to Yuiko instead. The series closes with the two of them choosing each other against everything stacked against them, capped by a short bonus chapter where Leo finally tells Yuiko he loves her — and blushes after saying it.

Characters

Yuiko Kubozuka — The animal lover animals reject. What I love about her is that she's not a passive shojo heroine waiting to be noticed. She's easygoing, well-liked, and direct, and when she meets Leo she doesn't flinch or wait — she pursues the friendship, looks straight at the boy everyone else writes off, and stays steady when he goes berserk. Her arc is quiet: the girl who couldn't reach a single animal becomes the one human anchor for the most "animal" boy alive.

Leo Aoi — The scary exterior with the gentle, childlike interior. Motomi gives the "dangerous-looking boy who's secretly sweet" trope an actual mechanism instead of just a personality claim — Leo really is dangerous when blood triggers his berserk state, raised wild and never socialized into the world. His arc is about whether he can belong anywhere, and his defining decision is to refuse the inheritance, the relatives, and the easy exit, and return to the one person who saw him as a person first.

Yuiko's father — A veterinarian, the source of Yuiko's lifelong, frustrated proximity to animals, and a grounding presence that explains why animals are the emotional currency of her whole life.

What I Love About It

The mutual-benefit structure, and how literal it is. So many romances manufacture a reason for two people to stay near each other. Here the reason is built into their bodies and histories: Yuiko wants animal connection and can't get it; Leo radiates animal connection but can't get human acceptance. They don't slowly discover they need each other over ten volumes of misunderstandings — they recognize it almost immediately, and the recognition is the romance. The animals aren't set dressing. They're the actual proof of who each person is.

And then Motomi sharpens it with the berserk condition. The single most important fact about Leo — that blood sends him into a violent fugue — is also the thing that makes Yuiko irreplaceable, because she's the one whose voice pulls him back. That's a beautiful piece of construction: his greatest danger and her greatest value are the same event. It means their bond isn't decorative affection; it's load-bearing. She is, in the most literal sense, the person who keeps him human. For a two-volume story, that's a remarkably economical way to make the relationship feel essential rather than convenient.

Memorable Scene ⚠️ Spoiler Warning

The ending choice. By the second volume, Leo has every reason and every opportunity to disappear — his father has come for him, his relatives are dangerous, the inheritance is a target painted on his back, and running would solve the immediate threat. After one of those relatives attacks him, the door is open: go, vanish, be safe and gone. Instead he comes back to Yuiko.

What makes it land isn't drama, it's the smallness of it after all that money and menace. A 120-billion-yen inheritance and people willing to hurt him, and the resolution is a boy walking back toward the one girl who never needed him to be anything but himself. The bonus chapter button — Leo telling Yuiko he loves her and then blushing, this boy people called a beast going shy over three words — is the whole thesis of the manga in one panel. The scary face was never the truth. This is.

Pros & Cons

Pros

  • Complete in 2 volumes — an afternoon's commitment, fully resolved
  • The mutual-benefit premise is specific and genuinely warm, not generic shojo
  • Leo's berserk condition gives the gentle-giant trope real stakes and makes the heroine essential
  • All of Motomi's later strengths present in concentrated, early form

Cons

  • Two volumes means no extended development — relationships move fast by necessity
  • The 120-billion-yen inheritance subplot is more device than exploration; it exists to create the final choice
  • May feel slight if you come to it after Motomi's longer, denser series
  • It's a short, tidy romance — if you want sprawl and complication, this isn't that, and that's a feature for some readers and a flaw for others.

Is Beast Master Worth Reading?

Yes — if you want a complete, warm shojo romance you can finish in a sitting. It earns more emotional investment in two volumes than many series manage in ten, thanks to a premise where the two leads are literally each other's missing piece. Just go in knowing it's short and self-contained, not an epic.

Who Is This Manga For?

  • Readers who want the shortest possible complete shojo romance
  • Anyone who loves the "everyone fears him but she sees the real him" dynamic
  • Fans of Dengeki Daisy or Queen's Quality wanting to see where Motomi started
  • Animal lovers who want the animals to actually matter to the story

Yu's Rating

Category Score
Story Depth ★★★☆☆
Art Style ★★★★☆
Character Development ★★★☆☆
Accessibility for Non-Japanese Readers ★★★★★
Reread Value ★★★☆☆

Content Warnings & Age Rating

Age Rating: T (Teen) Content Warnings: Mild violence during Leo's berserk episodes; blood functions as the trigger for those episodes; brief threat/peril in the inheritance subplot

A light, T-rated shojo romance. Nothing graphic — the violence is brief and tied to Leo's condition.

Similar Manga

Title Its Approach How Beast Master Differs
Dengeki Daisy Motomi's longer series — same scary-protective-boy energy stretched into a full mystery Beast Master is the two-volume seed of that dynamic, all premise and resolution, no sprawl
Wolf Girl and Black Prince Scary/cold exterior boy and the girl who reaches him, played for comedy over many volumes Beast Master makes the "beast" literal via the berserk condition and keeps it short and sincere
My Love Story!! A frightening-looking boy who is in fact pure-hearted and gentle Beast Master centers the girl's animal connection as the proof of character, not just looks

Art Style

Clean, appealing Betsucomi shojo line work. Motomi draws the animals with real affection — they're not background props but the emotional center — and she sells Leo's whole premise visually, the gap between his menacing default expression and the soft, open face he shows Yuiko. For a two-volume romance, the art does exactly what it needs to and no more.

Official English Translation Status

VIZ Media published the complete English series — both volumes, fully available in English. This is a finished, fully licensed release, not a partial run.

Format Comparison

Format Notes
Individual Volumes VIZ Media; complete in 2 volumes (Vol. 1 and Vol. 2, "Final Volume")
Digital Available

Where to Buy

Read the first volume. If it doesn't hook you, put it down. It'll hook you.

Start with Volume 1 →


This post contains affiliate links. If you purchase through these links, I may earn a small commission at no extra cost to you. As an Amazon Associate, I earn from qualifying purchases.

Buy Beast Master on Amazon →

*Affiliate link — I earn a small commission at no extra cost to you.

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Written by

Yu

Manga Enthusiast from Japan

I grew up in Japan and manga literally saved me during a tough time in elementary school. My English isn't perfect, but my love for manga is real — and I want to share it with you.

Disclosure: This post contains affiliate links. As an Amazon Associate, I earn from qualifying purchases at no extra cost to you.