I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 15 (manga)

Name: I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 15 (manga)
Brand: Hachette Aotearoa New Zealand
SKU: 9798855415919
Price: 24.99 NZD
Availability: InStock

By Jasmine Bernhardt and Katie Blakeslee and Benio Benio and Kisetsu Morita and Yusuke Shiba

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Brief Description

A manga adaptation of the best-selling light novel series I've Been Killing Slimes for 300 Years and Maxed Out My Level. Read More

Format: Paperback / softback

$24⁹⁹

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Description

A manga adaptation of the best-selling light novel series I've Been Killing Slimes for 300 Years and Maxed Out My Level.

Book Details

INFORMATION

ISBN: 9798855415919

Publisher: Little, Brown & Company

Format: Paperback / softback

Date Published: 28 August 2025

Country: United States

Imprint: Yen Press

Audience: General / adult, Children

DIMENSIONS

Spine width: 14.0mm

Width: 126.0mm

Height: 188.0mm

Weight: 190g

Pages: 178

Collections

Benio Benio Children's Books Graphic Novels Jasmine Bernhardt Katie Blakeslee Kisetsu Morita Yen Press Yusuke Shiba

About the Author

Benio is the illustrator of I've Been Killing Slimes for 300 Years.Kisetsu Morita is the author of I've Been Killing Slimes for 300 Years.

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I've Been Killing Slimes for 300 Years and Maxed Out My Level Spin-off: The Red Dragon Academy for Girls, Vol. 2

In her quest to become the strongest dragon, Laika's getting serious about school! From running for student council to taking on the blue dragon Flatorte, nothing will stop Laika from achieving her goals! I've Been Killing Slimes for 300 Years and Maxed Out My Level Spin-off: The Red Dragon Academy for Girls, Vol. 2 showcases Laika's determined journey, bringing excitement...

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I've been killing slimes for 300 years, and my family has finally decided on my birthday! We didn’t have a date until now (mainly because I forgot it), but my daughters are going to celebrate it with me this year, and I'm really, really excited! Later, I meet the goddess of fate (I can't be surprised anymore!), I help out...

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From corporate slave to a laid-back witch, reincarnation is a pretty sweet deal! Or so Azusa believes until her maxed-out status comes to light... In this new manga adaptation of the original novel, enjoy the hilarity that ensues as Azusa attempts to evade all forms of adventure and regain her lazy life! I've Been Killing Slimes for 300 Years and...

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After living a painful life as an office worker, Azusa ended her short life by dying from overworking. So when she found herself reincarnated as an undying, unaging witch in a new world, she vows to spend her days stress-free and as pleasantly as possible. She ekes out a living by hunting down the easiest targets - the slimes! But...

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In her quest to become the strongest dragon, Laika's getting serious about school! From running for student council to taking on the blue dragon Flatorte, nothing will stop Laika from achieving her goals! I've Been Killing Slimes for 300 Years and Maxed Out My Level Spin-off: The Red Dragon Academy for Girls, Vol. 2 showcases Laika's determined journey, bringing excitement...

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Ships in 4-6 weeks
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From corporate slave to a laid-back witch, reincarnation is a pretty sweet deal! Or so Azusa believes until her maxed-out status comes to light... In this new manga adaptation of the original novel, enjoy the hilarity that ensues as Azusa attempts to evade all forms of adventure and regain her lazy life! I've Been Killing Slimes for 300 Years and...

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$24⁹⁹

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Ships in 4-6 weeks
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At this point, Azusa's come to expect surprises in her (mostly) laid-back life. After all, life is full of mysteries—literally! Like UFOs, ghost ships, and phantom thieves, just to name a few. In I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 16 (manga), join Azusa as she navigates these unexpected twists and turns. Discover how...

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Paperback

$27⁹⁹

Available
Ships in 4-6 weeks
I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 2 (manga)

The slime-slaying, max-levelled, immortal witch Azusa's main goal in reincarnation is to live a laid-back life with her new family of four. But trouble comes knocking on her door when the elf Halkara arrives, seeking sanctuary from the demon Beelzebub... Will Azusa ever find peace?! I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 2 (manga)...

By Kisetsu Morita and Jasmine Bernhardt and Benio Benio and Yusuke Shiba

Paperback

$24⁹⁹

Available
Ships in 4-6 weeks
I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 3 (manga)

Welcome to the Witch's House Cafe! Azusa's life doesn't seem to be slow or laid-back anymore. At least, not while maid cafes, factory hauntings, and invitations to prestigious demon award ceremonies are a part of it. But maybe that's okay...? Join Azusa in her ongoing adventures in I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol....

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Paperback

$24⁹⁹

Available
Ships in 4-6 weeks
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After living a painful life as an office worker, Azusa ended her short life by dying from overworking. So when she found herself reincarnated as an undying, unaging witch in a new world, she vows to spend her days stress-free and as pleasantly as possible. She ekes out a living by hunting down the easiest targets - the slimes! But...

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Paperback

$29⁹⁹

Available
Ships in 4-6 weeks

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By Yusuke Shiba and Kisetsu Morita and Jasmine Bernhardt

Paperback

$24⁹⁹

Available
Ships in 4-6 weeks
I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 1 (manga)

From corporate slave to a laid-back witch, reincarnation is a pretty sweet deal! Or so Azusa believes until her maxed-out status comes to light... In this new manga adaptation of the original novel, enjoy the hilarity that ensues as Azusa attempts to evade all forms of adventure and regain her lazy life! I've Been Killing Slimes for 300 Years and...

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Paperback

$24⁹⁹

Available
Ships in 4-6 weeks
I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 16 (manga)

At this point, Azusa's come to expect surprises in her (mostly) laid-back life. After all, life is full of mysteries—literally! Like UFOs, ghost ships, and phantom thieves, just to name a few. In I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 16 (manga), join Azusa as she navigates these unexpected twists and turns. Discover how...

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Paperback

$27⁹⁹

Available
Ships in 4-6 weeks
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Today's adventures in the Azusa household: a butterfly girl appears, the family visits a white castle, and there's some singing in the rain!

By Katie Blakeslee and Yusuke Shiba and Kisetsu Morita and Jasmine Bernhardt

Paperback

$42⁰⁰

Available
Ships in 2-3 weeks
I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 2 (manga)

The slime-slaying, max-levelled, immortal witch Azusa's main goal in reincarnation is to live a laid-back life with her new family of four. But trouble comes knocking on her door when the elf Halkara arrives, seeking sanctuary from the demon Beelzebub... Will Azusa ever find peace?! I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 2 (manga)...

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I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 9 (manga)

At this point, Azusa's just about given up on her slow, laid-back life. After all, with a house full of elves, dragons, spirits, and now plants, every day is a new adventure. So it's time for Azusa to enjoy each wild escapade to the fullest! I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 9 (manga)...

By Kisetsu Morita and Jasmine Bernhardt and Katie Blakeslee and Benio Benio and Yusuke Shiba

Paperback

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I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 3 (manga)

Welcome to the Witch's House Cafe! Azusa's life doesn't seem to be slow or laid-back anymore. At least, not while maid cafes, factory hauntings, and invitations to prestigious demon award ceremonies are a part of it. But maybe that's okay...? Join Azusa in her ongoing adventures in I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol....

By Benio Benio and Yusuke Shiba and Kisetsu Morita and Jasmine Bernhardt

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I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 7 (manga)

Party at the rock fest! Will the new Kuku be a hit after tweaking her music a bit?! Meanwhile, sparks fly when Halkara meets a serious business rival. And what's this about a fighting contest in Flatorte's hometown? Find out all this and more in I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 7 (manga)....

By Kisetsu Morita and Jasmine Bernhardt and Katie Blakeslee and Benio Benio and Yusuke Shiba

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I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 11 (manga)

The latest and greatest in the world of Azusa and fam: a sister’s wedding, a battle for who is the best dragon, and now a field trip to some ancient ruins! Nothing could possibly go wrong with any of that, right? I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 11 (manga) by Benio Benio, Yusuke...

By Benio Benio and Yusuke Shiba and Kisetsu Morita and Jasmine Bernhardt

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$24⁹⁹

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I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 4 (manga)

Family, check. Trip to demon lands, check. Demon king meet and greet, che—uh-oh. Azusa's laid-back vacation is smashed to a million pieces when Halkara smashes into the demon king just as the Great Slime prophesied. Can Azusa clear up the misunderstanding, or will it be off with Halkara's head? I've Been Killing Slimes for 300 Years and Maxed Out My...

By Benio Benio and Yusuke Shiba and Kisetsu Morita and Jasmine Bernhardt

Paperback

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I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 5 (manga)

Aaaaand the secret to Falfa's slimy condition is she slept wrong! Good news—she can be fixed. Bad news? Only the famous slime martial artist, Fighsly, knows how! And so, Azusa's gotta fight Fighsly without magic! Can she pull it off?

By Kisetsu Morita and Jasmine Bernhardt and Benio Benio and Yusuke Shiba

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I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 6 (manga)

Azusa just can't catch a break! Between planning mushroom parties and visiting the World Tree, she's busy, busy, busy. But a little adventure never hurt anyone—right? I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 6 (manga) continues the whimsical journey of our beloved protagonist, where everyday life is anything but ordinary. Dive into the enchanting...

By Kisetsu Morita and Jasmine Bernhardt and Katie Blakeslee and Benio Benio and Yusuke Shiba

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Why buy from us?

Book Hero is not a chain store or big box retailer. We're an independent 100% NZ-owned business on a mission to help more Kiwis rediscover a love of books and reading!

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Our warehouse in Auckland holds over 100,000 books, toys, board games and puzzles in-stock so you're not waiting for your order to arrive from overseas.

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We're primarily an online store, but for your convenience you can pick up your order for free from our bookstore, which is right next door to our warehouse in Hobsonville.