“BEHENEKO: I’m an S-Rank Monster ‘Behemoth,’ but I’ve Been Mistaken for a Cat and Now Live as an Elf Girl’s Knight” is a fantastical tale of a mighty monster suddenly identified as a cute cat. How in the world did that happen? This anime delights viewers with humorous situations arising from the gap between appearance and reality, as well as the heartwarming relationship with the Elf girl. Let’s explore the details of this unique story and discover how it captures the hearts of its audience.
BEHENEKO: The S-Rank “Behemoth” Anime Overview
The Protagonist’s Reincarnation and Appearance
The main character was once a knight who lost his life and then reincarnated into another world as the S-Rank monster known as “Behemoth.” However, his appearance resembles that of a small kitten, startling everyone around him. This disparity is one of the series’ most humorous appeals.
Meeting the Elf Girl, Aria
The story begins when the protagonist, gravely injured, is discovered by Aria, a beautiful D-rank Elf adventurer. Mistaking him for a kitten, Aria adopts him as a pet and names him “Tama.” For Tama, however, Aria is his savior, and he pledges to live with the pride of a knight to protect her.
The Anime’s Story Development
In this isekai fantasy, the protagonist embarks on various adventures with the Elf girl Aria to keep her safe. From his reincarnation to his bond with Aria, and the confrontation with the nobleman Kassman who has his sights set on her, the show is packed with captivating elements.
Compelling Character Design
In “BEHENEKO”, the protagonist’s distinctive character setup leaves a lasting impression. Even though he’s an S-Rank monster, he looks like a kitten and swears fealty to Aria the Elf girl—a concept that firmly grips fans’ hearts. Through his growth and adventures, the themes of friendship and trust are vividly portrayed.
Character Introduction
The Protagonist, Tama
Formerly a knight who lost his life, Tama is reborn in another world as the S-Rank monster Behemoth. However, because he’s in a juvenile form, he appears cat-like—this discrepancy injects a unique twist into the adventures around him. Determined to protect Aria, the one who saved him, Tama carries himself with knightly pride. This decision adds depth to his character and influences the entire storyline.
The Elf Girl, Aria
Aria is a D-rank adventurer portrayed as a beautiful Elf. She finds Tama in a near-death state and mistakes him for a kitten, naming him “Tama” and keeping him as a pet. Yet for her, Tama is not just a pet but also someone whose life she saved, making their bond a central theme of the story. Aria’s bravery and devotion to Tama play a key role in advancing the plot.
The Relationship Between Aria and Tama
Aria and Tama share a deep trust and friendship far beyond a mere pet-owner bond. Tama cherishes Aria as his savior, acting like a knight to defend her. This connection creates touching moments that enthrall viewers. Meanwhile, Kassman, a noble with malicious intent toward Aria, tests their unity, only solidifying their bond further.
Key Elements of the Story
The Evolving Bond Between Tama and Aria
At the heart of the “BEHENEKO” fantasy anime lies the relationship between Tama, an S-Rank monster, and Aria, a beautiful Elf girl. After being rescued by Aria, Tama begins his life as her knight. As they grow closer, viewers are treated to poignant scenes illustrating the importance of loyalty and friendship. Tama’s dedication to helping Aria and overcoming trials for her sake underscores these themes with powerful resonance.
The Introduction of Kassman, the Antagonist
Injecting tension into the anime’s story is Kassman, a nobleman in the city who harbors ill will toward Aria, aiming to possess her. Tama steps up to thwart Kassman’s schemes, heightening the drama of their conflict. Kassman’s emergence not only spotlights Tama’s role as a knight but also drives forward his character growth, making him an essential element of the narrative.
Adventures and Challenges in Another World
One of the most appealing aspects of this monster anime is the isekai fantasy setting, where Tama and Aria embark on thrilling adventures. Together, they overcome numerous obstacles, exploring themes of friendship and courage. Their story guides viewers into a dreamlike alternate world, making “BEHENEKO” stand out as a special fantasy anime.
Anime Broadcast and Reception
Standard Edition and the “Yukemuri Sukkiri” Version
“I’m an S-Rank Monster ‘Behemoth,’ but I’ve Been Mistaken for a Cat and Now Live as an Elf Girl’s Knight” comes in two formats: the standard edition and the “Yukemuri Sukkiri” version. Each one offers a different viewing experience, so fans can choose the style that best fits their taste.
Production Staff and Reputation
Famed creators, including Taro Shinonome, are involved in the making of this anime. Their high-quality animation has garnered praise from viewers, leading to a stellar reputation. In particular, the show’s unique premise and captivating characters have attracted a wide fan base.
Viewer Reviews and Reactions
This anime’s distinctive setup and cast have led to overwhelmingly positive reviews. The idea of a hero who dies, reincarnates as an S-Rank Behemoth, and ends up looking like a small cat intrigues many.
Popular chapters include “Reincarnation” with 2438 points, “Knight’s Vow (Part 1)” with 2027, and “Knight’s Vow (Part 2)” with 2172—indicating that the early episodes are particularly well-received. Many viewers were deeply moved by scenes where Tama pledges himself as Aria’s knight.
Points of Praise
Fans often highlight:
- A Story Both Humorous and Heartfelt: Many appreciate the comedic gap between Tama’s kitten-like looks and his formidable power, as well as his sincerity and devotion. Episodes focusing on his bond with Aria strengthen its reputation as a “moving anime.”
- Rich Characterization: Tama, Aria, and Kassman each fill their roles convincingly, bringing depth to the narrative as a whole.
Related Media and Other Works
Original Novel and Manga
The “BEHENEKO” anime adapts a popular novel that Taro Shinonome turned into a manga. The original novel’s vibrant story and character concepts have earned further admirers via the anime adaptation. The first volume of the manga is also available and has been well-received by those discovering the story through the anime.
Other Works by the Author
Alongside “BEHENEKO”, Taro Shinonome has also created titles such as “The Holy Beast Behemoth Inherits the ‘Strongest Stats’ and Reincarnates as a Human—Accidentally Stealing the Hero’s Fiancée (Princess)” and “The Skeleton Enchanted by the Cursed Sword.” These works garner strong support among fans for their adept incorporation of fantasy elements.
Through its source material, related works, and anime merchandise, “BEHENEKO” offers fans a multifaceted way to enjoy its universe.
The anime “BEHENEKO: I’m an S-Rank Monster ‘Behemoth,’ but I’ve Been Mistaken for a Cat and Now Live as an Elf Girl’s Knight” offers a delightful mix of humor and heartfelt emotion. Its unique character relationships and the resulting antics shed light on the value of friendship and family, allowing viewers to momentarily forget everyday worries and enjoy a heartwarming experience. If you haven’t seen it yet, you may just discover something wonderful by giving it a try.
This anime is part of the 2025 Winter lineup. Be sure to check out our special feature on other anime this season so you don’t miss out on enjoying the shows you love!
