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Nanana’s Buried Treasure Author Kazuma Ōtorino & Kagekaku Launch New Manga

Hero’s Inc.’s HERO’S Web has announced a sweet-looking new fantasy manga: Warui Majo no Hiroi Ko (A Girl Raised by the “Evil” Witch), written by Kazuma Ōtorino with art by Kagekaku. The series, confirmed on April 2 via the site’s official X account, follows a young girl adopted by an “evil” witch who leaves the witch’s home to travel the world and learn about people. For fans of found-family tales, gentle coming-of-age fantasy, and witchcraft with a heart, this one is already shaping up to be a quiet delight.

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Image via HERO’S Web’s X/Twitter account

What we know so far about Warui Majo no Hiroi Ko

HERO’S Web confirmed the launch on April 2, announcing that Warui Majo no Hiroi Ko will begin serialization on the site on Thursday. The premise is straightforward but full of potential: a young girl raised by an “evil” witch sets out to explore the world and learn about people. The phrasing suggests a narrative that plays with expectations — is the witch truly evil, or merely labeled so by others? Will the girl’s travels reveal more kindness than cruelty? These are classic hooks for a character-driven fantasy.

Creators: Kazuma Ōtorino and Kagekaku

Kazuma Ōtorino serves as the writer on Warui Majo no Hiroi Ko, and the series features art by Kagekaku. Ōtorino previously worked on the manga Azalea (with artist Hikaru Arashima), which began in Monthly Hero’s in August 2019 and later moved to Comiplex (the predecessor to HERO’S Web) during the publisher’s transition in November 2020; that series concluded in 2021. That background suggests Ōtorino has experience writing serialized manga for Hero’s Inc.’s audience — a helpful signal that this new work may emphasize steady character development and emotional beats over rapid-fire action.


Why the creative pairing matters

Pairings of writer and artist are often what give a manga its unique tone. Ōtorino’s prior serialized work indicates a comfort with long-form storytelling and character arcs, while Kagekaku’s art will determine the visual mood — whether the witch’s world is spooky, whimsical, or warmly domestic. The promotional image shared by HERO’S Web hints at a design that blends gentle character art with classic witch motifs, which fits the found-family, travel-driven premise.

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Themes to watch: found family, identity, and the “evil witch” trope

Warui Majo no Hiroi Ko sets up a few well-worn but rewarding themes. First, found family: a child raised outside a conventional household by a nontraditional guardian frequently opens space for scenes of quiet intimacy and learning. Second, identity and perception: calling the guardian an “evil” witch invites exploration of reputation versus reality. Finally, travel-as-education is a classic device for slow-burn worldbuilding — as the protagonist meets new people, readers learn about the world through their eyes.

Potential narrative directions

  • Subverting the “evil witch” label by revealing systemic prejudice or misunderstandings.
  • Using episodic travel encounters to build the girl’s moral compass and social understanding.

  • Centering the witch as both protector and teacher, blending magical training with life lessons.

Where and how to read it

Warui Majo no Hiroi Ko will serialize on HERO’S Web; the official announcement was posted to HERO’S Web’s X account. If you follow HERO’S Web for their web serials, this is the place to start when the first chapter goes live. For quick access, you can check HERO’S Web’s official X post announcing the launch (link provided in the image credit above). Visit the announcement on X.

Art and tone expectations

The promotional art included with the announcement already sets a gentle, storybook-like tone: soft lines, a focus on character expression, and a cozy sense of scale that suggests more heart than horror. Whether Kagekaku’s panels will skew toward slice-of-life framing or broader fantasy vistas remains to be seen, but the premise favors intimate moments — small kindnesses, misunderstandings resolved, and the slow blossoming of trust between the girl and the wider world.

Comparative reads (for tone)

If you enjoy manga and stories that emphasize emotional growth and quiet wonder — think gentle witchcraft tales and found-family fantasies — Warui Majo no Hiroi Ko will likely fit comfortably in that space. The setup recalls works that balance charm with bittersweet lessons, making it an appealing pick for readers who prefer character-driven fantasy over action-heavy plots.


What this means for Hero’s Inc. and HERO’S Web

Hero’s Inc. has continued developing its web manga offerings following the shift from Monthly Hero’s to web serialization. Warui Majo no Hiroi Ko adds to the publisher’s slate of character-focused fantasy titles, and it demonstrates ongoing investment in new creator pairings — in this case, bringing Ōtorino together with Kagekaku. For readers, web serialization means quicker access to chapters and the ability to follow a series as it grows.

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Final thoughts

Warui Majo no Hiroi Ko is a promising new entry in the cozy fantasy lane: a story about a girl raised by a so-called “evil” witch who heads out to learn about people and the world. With Kazuma Ōtorino’s experience in serialized storytelling and Kagekaku’s illustrative voice, the series seems poised to deliver a warm, character-driven read. Keep an eye on HERO’S Web for the first chapter and expect a mix of small, heartwarming episodes and questions about identity, prejudice, and belonging that may resonate long after each chapter ends.

Source: HERO’S Web announcement via their official X account.