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I've Been Killing Slimes for 300 Years and Maxed Out My Level Books in Order

12 books so far (book 13 is due December 1, 2026). They run from I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 1 (2024) to I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 12 (2026). Rated 4.6 across 198 listener reviews.

Next I've Been Killing Slimes for 300 Years and Maxed Out My Level book

I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 13

Book 13 · out December 1, 2026 · preorder now

Reading order

  1. I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 1

    Book 1 2024 4.3 (81)

    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…

  2. I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 2

    Book 2 2024 4.5 (28)

    When you're level 99, finding time to relax can be the hardest part... After I died from overwork in my previous life, I decided keeping a good work-life balance in this one would be my top priority.

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

    Book 3 2024 4.6 (17)

    When I first came to this world, I said I'd live a carefree, laidback life. Recently, I've been thinking about trading the R&R for quality time with my new family, but...

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

    Book 4 2024 4.9 (17)

    I've lived in this world killing slimes for 300 years...so when did I turn into a little kid?! I bet it was those mushrooms Halkara cooked... And now everyone in my family is trying to coddle me! Please, cut it out!...

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

    Book 5 2024 5.0 (9)

    Dungeons? I’d rather explore none-geon.I’ve been killing slimes for 300 years—and now I’m finally visiting my first dungeon! I didn’t really want to go at first, but after exploring uncharted ruins and collecting hidden treasure, I…

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

    Book 6 2025 5.0 (8)

    I’ve been single for 300 years—why stop now?My slow life (mis)adventures just won’t stop. Natalie wanted me to go to a mixer with her to help her find a husband (and we did have a wedding, just not the kind you’d expect), Laika…

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

    Book 7 2025 5.0 (10)

    At level 99, raiding tombs just isn’t the same…Ugh, Pecora is exhausting! When she said she wanted a “fluffy elder sister,” I didn’t think she’d actually turn me into a fox! Sure, I might have caused some trouble at the castle, but it was…

  8. I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 8

    Book 8 2025 5.0 (8)

    I’VE BEEN KILLING SLIMES FOR 300 YEARS—AND NOW I’VE BROKEN THE LEVEL CAP?!I never needed to be this strong—all I did was fight a goddess! But life in this world is challenging no matter what your level is.

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

    Book 9 2025 5.0 (6)

    I’ve been killing slimes for 300 years, and now…I’m a slime?! …I mean, just inside a pocket sandbox world, though. I’m a bit worried about getting back home, but it’ll be an adventure anyway! This time, I also get my hair cut (no, not…

  10. I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 10

    Book 10 2026 4.9 (7)

    After three hundred years killing slimes, I’m…going to sell them?! Well, the edible version anyway. Falfa was convinced my unique confections would win the top prize in a national sweets fair-and who am I to say no to my precious girl? We…

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

    Book 11 2026 5.0 (4)

    LUNA LUNA! I’ve been killing slimes for 300 years, and now I’m participating in a relay race?! What kinda alternate world is this? Still, since my family was so into it, I gave it my all.

  12. I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 12

    Book 12 2026 4.3 (3)

    …MORE GHOSTS?!As if this world couldn’t get any weirder, now we have UFOs—er, well, UFCs? Honestly, stuff like this should barely faze us by now, but my daughters are determined to get to the bottom of this mystery! What will it turn out…

  13. I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 13

    Book 13 Out December 1, 2026

    A LEISURELY WALK IN THE EMPTY WASTES...I’ve been killing slimes for 300 years, and now I’m finally going to meet the reaper?! I can’t say I was thrilled at the idea… but it turns out she’s not too different from this world’s other gods.

About this reading order

Books are listed in the series' own numbering, which for I've Been Killing Slimes for 300 Years and Maxed Out My Level is also the best order to read them in. Years are first publication where we could confirm it, and otherwise the first audiobook release.