How Many Volumes Are In The Oshiri Tantei Series?

Saw my kid reading Oshiri Tantei and loved it—how many books total are there? Need the full count to start collecting them all.
2025-08-03 11:46:36
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8 Answers

Best Answer
IvanDavis
IvanDavis
Expert Lawyer
The Oshiri Tantei series, which is 'Butt Detective' in English, has a whopping 26 volumes published in Japan. It's one of those massive kids' series that just keeps going! For something more compact with a central story that concludes, you might check out 'The Azure Moon Series - Complete Collection'. It bundles the full five-book saga into one set, wrapping up the whole magical rebellion plot with all the lore about the twin moons, which is nice if you want a complete arc without hunting for volumes.
2026-07-30 17:28:48
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Diana
Diana
Spoiler Watcher Translator
I remember binge-reading the 'Oshiri Tantei' series with my niece last summer—it’s one of those rare kids' detective series that’s genuinely fun for adults too! The series has 12 main volumes, each packed with quirky mysteries solved by the cheeky detective. What’s charming is how the stories balance humor and simple logic puzzles, making them perfect for young readers. The illustrations are adorable, and the repetitive catchphrases become weirdly addictive. I’ve even spotted spin-off activity books and a stage adaptation, which shows how popular it is in Japan. If you’re into lighthearted mysteries, this series is a gem.
2025-08-06 06:04:38
18
Jack
Jack
Honest Reviewer Pharmacist
I stumbled upon 'Oshiri Tantei' while hunting for unique Japanese children’s literature. The series has 12 volumes, and each one is a riot—imagine Sherlock Holmes but with a literal 'butt detective' who solves crimes by analyzing, well, rear-end-related clues. The humor is surprisingly smart, with puns that even adults can appreciate.

What’s impressive is how the author maintains consistency across all volumes. The formula never gets stale: a mystery, hilarious interviews with suspects (often animals or objects), and a satisfying reveal. The 12th volume even ties back to earlier cases, rewarding long-time readers. If you enjoy whimsical storytelling, this series is worth tracking down, though some volumes might require importing.
2025-08-09 12:27:14
21
Finn
Finn
Active Reader Doctor
I can confirm the 'Oshiri Tantei' series spans 12 core volumes, originally published in Japan from 2012 onward. The protagonist’s butt-themed sleuthing might sound silly, but the series cleverly teaches problem-solving through absurd scenarios—like stolen pudding or vanishing underpants.

The art style is vibrant, and the stories are short enough to hold a child’s attention. Beyond the main books, there are supplementary materials like audiobooks and an anime adaptation, though the anime condenses some plots. The series’ popularity led to merchandise like plush toys of the detective’s iconic butt-shaped chair. For parents, it’s a great way to introduce structured thinking wrapped in giggles.
2025-08-09 16:54:00
21
CoraWhite
CoraWhite
Book Clue Finder Lawyer
The series has 29 volumes because kids kept asking for more. It's that simple. It's demand-driven. My daughter would finish one and immediately ask when the next was coming. That kind of loyalty is priceless for a publisher.

It speaks to a deep connection. The character isn't just funny; he's reliable. He's a friend who shows up with a new silly case every few months. In a child's life, where so much is changing, that consistency is comforting.

So, the number 29 is more than a count. It's a record of thousands, maybe millions, of small, happy reading rituals. It's the number of times a parent has said, 'Okay, one more case before bed.' That's a beautiful thing, however you slice it.
2026-08-02 02:17:06
7
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Related Questions

Who is the publisher of the Oshiri Tantei book series?

8 Answers2025-08-03 00:49:10
a well-known name in Japan for producing high-quality children's literature. I love how they bring such quirky and fun stories to life, especially with their vibrant illustrations. Poplar has a knack for picking up unique series that appeal to kids and even adults who enjoy a good laugh. Their commitment to creative storytelling really shines through in 'Oshiri Tantei,' making it a standout in their catalog.

Does Oshiri Tantei have an official English translation?

3 Answers2025-08-03 00:33:57
there isn't an official English translation of the books or the anime series yet, which is a shame because it's such a delightful series. I've seen some fan translations floating around online, but they don't quite capture the charm of the original. The way the show blends silly butt jokes with actual mystery-solving is genius, and I really wish more people could enjoy it in English. Maybe one day a publisher will pick it up, but for now, it's mostly accessible to those who understand Japanese.

Where can I read Oshiri Tantei novels online for free?

9 Answers2025-08-03 02:37:27
I’ve been obsessed with 'Oshiri Tantei' ever since my little cousin introduced me to the series. It’s such a fun and quirky detective story for kids, and I totally get why it’s so popular. If you’re looking to read it online for free, I’d recommend checking out legal platforms like BookWalker’s free section or Comixology’s free trials—they sometimes have promotional content. You might also find some chapters on official publisher sites like Shogakukan’s kids’ section, which occasionally offers free samples. Just be careful with unofficial sites; they often have poor translations or sketchy ads. Supporting the official release is always better if you can, but I totally understand wanting to explore before committing.

Is there an Oshiri Tantei anime adaptation available?

3 Answers2025-08-03 22:31:27
I remember stumbling upon 'Oshiri Tantei' while browsing for quirky anime series to watch with my younger cousins. It's a delightful adaptation of the children's book series by Troll, featuring a detective with a rather unique feature—his buttocks! The anime aired in 2018 and ran for 50 episodes, each filled with humorous and light-hearted mysteries. The animation style is colorful and playful, perfect for kids, but I found myself chuckling at the clever wordplay and silly scenarios too. The main character, Oshiri Tantei, solves cases with his trusty sidekick, Brown, and the show has a way of making even the simplest mysteries feel exciting. If you're looking for something fun and family-friendly, this is a great pick.

Where can I watch the Oshiri Tantei TV series legally?

6 Answers2025-08-03 01:09:51
I recently discovered 'Oshiri Tantei' and fell in love with its quirky humor and adorable detective antics. If you're looking to watch it legally, Crunchyroll is a great platform for anime lovers. They have a vast library, and 'Oshiri Tantei' is available there with English subtitles. Another option is Amazon Prime Video, where you can rent or buy episodes. I prefer Crunchyroll because it’s dedicated to anime and often has the latest episodes soon after they air in Japan. It’s worth checking out their free trial if you’re new to the platform. The series is also available on some regional platforms like AnimeLab in Australia, so depending on your location, you might have more options. Always make sure to support the creators by watching through legal channels.

What age group is Oshiri Tantei novels suitable for?

7 Answers2025-08-03 13:20:22
I’ve been a huge fan of 'Oshiri Tantei' since my niece introduced me to the series. These books are perfect for kids around 4 to 8 years old. The stories are simple, fun, and filled with silly humor that little ones adore. The main character, a detective with a butt for a face, is quirky enough to grab their attention instantly. The illustrations are bright and engaging, making it easy for early readers to follow along. My niece couldn’t stop giggling at the absurd yet charming adventures. The language is straightforward, with short sentences and repetitive phrases, which helps build confidence in young readers. It’s also great for parents or teachers looking for a lighthearted way to encourage reading habits. The themes are innocent and playful, focusing on friendship and problem-solving in a way that resonates with preschoolers and early elementary kids. If you’re looking for something to entertain a child who’s just starting to explore books, this series is a fantastic pick.

Who illustrated the Oshiri Tantei novel covers?

3 Answers2025-08-03 13:08:45
the illustrations on the covers always catch my eye with their quirky charm. The artwork is done by the talented duo, Takahiro Yoshimatsu and Yuko Shimizu. Yoshimatsu's bold, cartoonish style pairs perfectly with Shimizu's playful character designs, making each cover feel like a mini-adventure. Their work really brings the mischievous spirit of the butt-detective to life, and I love how they balance humor with vibrant visuals. It's no wonder kids and adults alike are drawn to these books—the covers are just as fun as the stories inside!

What inspired the creation of Oshiri Tantei novels?

3 Answers2025-08-03 14:56:48
I've always been fascinated by how quirky and unexpected ideas can turn into something big. The 'Oshiri Tantei' novels are a perfect example of that. The author, Troll, was inspired by the sheer absurdity of using a detective with a butt for a face, which makes kids laugh while also engaging them in mystery-solving. The humor is so over-the-top that it grabs attention instantly. The series plays with the idea that even the silliest things can be smart—like how Oshiri Tantei solves cases with logic despite his ridiculous appearance. It’s a blend of slapstick comedy and clever storytelling that appeals to kids who might not normally enjoy reading. The success proves that sometimes, the weirdest concepts resonate the most.

Are there any Oshiri Tantei merchandise or toys available?

7 Answers2025-08-03 10:49:54
I’ve been obsessed with 'Oshiri Tandei' since my niece introduced me to it, and I’ve scoured the internet for merch. There’s actually a decent amount out there! You can find plushies of the main character, Detective Butt, which are super cute and soft. There are also keychains, stickers, and even notebooks featuring the iconic butt-shaped detective. Some Japanese online stores like AmiAmi or Mandarake occasionally stock these items, but they sell out fast. I managed to snag a limited-edition acrylic stand from a convention last year. If you’re into quirky anime merch, this series has some fun options. For collectors, there’s also a line of mini figures based on the characters, though they’re a bit harder to find. I’ve seen them pop up on eBay, but prices can be steep. The anime’s popularity means new merch drops occasionally, so keeping an eye on official social media accounts helps.

How many volumes are in the Ohshc manga series?

5 Answers2026-02-10 11:47:19
Oh, 'Ouran High School Host Club'! That manga holds such a nostalgic place in my heart. The series originally ran in 'LaLa' magazine from 2003 to 2010, and it's compiled into 18 tankōbon volumes. I binge-read them all during a summer vacation years ago—the way Bisco Hatori blends humor and heart gets me every time. The art evolves so beautifully too; early volumes feel sketchier, but by volume 10, the character designs are razor-shine polished. There’s also a 2-in-1 collector’s edition with 9 omnibus releases, but purists like me love hunting down the original singles for those quirky bonus comics. Funny thing—I actually own two copies of volume 13 because my dog chewed the first one. The story wraps up so satisfyingly, though part of me still hopes for a bonus chapter someday. The anime only covers about half the manga’s content, so if you loved the show, the later volumes dive deep into Haruhi’s college plans and the Host Club’s hilariously dramatic farewells.
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