Into the Deepest, Most Unknowable Dungeon Books in Order
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The Into the Deepest, Most Unknowable Dungeon series by KAKERU includes 13 books published between 2021–2026.
✓ All 13 books verified against the publisher's official series list.
Publication order
In the order the books were originally released.
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Buy on AmazonInto the Deepest, Most Unknowable Dungeon Vol. 1
2021 · KAKERU
In this Mature-rated take on the popular isekai fantasy genre, a man journeys into the darkest, squishiest depths of a goblin-filled dungeon in…
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Buy on AmazonInto the Deepest, Most Unknowable Dungeon Vol. 2
2022 · KAKERU
NAKED AND…PREPARED! Surviving the Deepest, Most Unknowable Dungeon takes more than fighting skills. Jean and his all-female party are brought into…
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Buy on AmazonInto the Deepest, Most Unknowable Dungeon Vol. 3
2022 · KAKERU
SHOOT TO KILL! The Deepest, Most Unknowable Dungeon is the deadliest stretch of ground in the new world into which Jean has been reincarnated. Even…
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Buy on AmazonInto the Deepest, Most Unknowable Dungeon Vol. 4
2022 · KAKERU
GOING DOWN! The Deepest, Most Unknowable Dungeon is full of secrets—and dangers. Kukoro, Mexy, and Ceres come to terms with captivity as Jean…
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Buy on AmazonInto the Deepest, Most Unknowable Dungeon Vol. 5
2023 · KAKERU
THE TERROR OF THE WHITE MASK The blind Guide named Bato has her heart set on romance, and with a bit of advice from a pair of cheeky teenagers, she’s…
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Buy on AmazonInto the Deepest, Most Unknowable Dungeon Vol. 6
2023 · KAKERU
SWORDSWOMAN SHOWDOWN The humans of Aegis are still reeling from their encounter with the fearsome White Mask. Worried that she might be a burden, Aro…
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Buy on AmazonInto the Deepest, Most Unknowable Dungeon Vol. 7
2023 · KAKERU
THE SWORD PRINCESS AND THE HOLY SAINT Mere human strength is often not enough to deal with harsh and unyielding dangers—especially if you’re a woman.…
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Buy on AmazonInto the Deepest, Most Unknowable Dungeon Vol. 8
2024 · KAKERU
A FATE WORSE THAN DEATH Kukoro is brought to the Orc Empire as breeding stock! There she meets Scion, a heretical scholar, and learns the details of…
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Buy on AmazonInto the Deepest, Most Unknowable Dungeon Vol. 9
2024 · KAKERU
MAN VERSUS NATION Jean and his party traverse the Untraveled Lands and make an immense discovery! Sei puts her strength to the test in a mock battle…
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Buy on AmazonInto the Deepest, Most Unknowable Dungeon Vol. 10
2025 · KAKERU
CROSSROADS OF DEATH! As Jean's party delves into the lower dungeons to explore unknown territory, the recently resurrected White Mask Blond Hair…
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Buy on AmazonInto the Deepest, Most Unknowable Dungeon Vol. 11
2025 · KAKERU
ATTACK THE HEAD! Jean and the girls stumble upon the waterlogged remains of an ancient underground civilization...and encounter the many-headed…
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Buy on AmazonInto the Deepest, Most Unknowable Dungeon Vol. 12
2025 · KAKERU
VICTORY THROUGH MASSIVE DEATH! Confusion, deceit, hubris! When the old methods of containment fail, open war between humanity and the massive,…
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Buy on AmazonInto the Deepest, Most Unknowable Dungeon Vol. 13
2026 · KAKERU
FORCE RECON! The Forest of Death Fortified Base was ringed with ballistae and stuffed with troops, but fell all too quickly thanks to White Mask…
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Into the Deepest, Most Unknowable Dungeon Vol. 14📅 Expected Aug 18, 2026
Read more →Into the Deepest, Most Unknowable Dungeon Vol. 15📅 Expected Dec 29, 2026
Read more →Into the Deepest, Most Unknowable Dungeon Vol. 16📅 Expected Apr 20, 2027
Read more →✓ = numbering verified against the publisher's official series list.
📅 = publisher-announced release dates; subject to change. All upcoming releases →
Frequently asked questions
What order should I read the Into the Deepest, Most Unknowable Dungeon books in?
Read them in publication order, starting with “Into the Deepest, Most Unknowable Dungeon Vol. 1”. Start with “Into the Deepest, Most Unknowable Dungeon Vol. 1.”
How many books are in the Into the Deepest, Most Unknowable Dungeon series?
We list 13 books by KAKERU , published between 2021–2026.
When is the next Into the Deepest, Most Unknowable Dungeon book released?
The next book is “Into the Deepest, Most Unknowable Dungeon Vol. 14”, book 14 in the series, expected Aug 18, 2026. That is the publisher's announced date and can change; this page updates when it does.
Where can I buy the Into the Deepest, Most Unknowable Dungeon books?
Each title above links to Amazon. See our affiliate disclosure.
Reading order compiled from author/publisher guidance and verified bibliographic data. Spotted a wrong order, a missing book, or any other mistake? and we'll correct it.