KDP categories · Top KDP authors

Rui Tsukiyo: Amazon KDP author data

As of Nov 6, 2026, Rui Tsukiyo has 7 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #1), mostly in Humorous, Manga, Fantasy.

7Books on Amazon
5Listed in 30 days
4.6Average rating
Median price$9.99
Price range (middle 50%)$9.99 – $9.99
Median reviews100
Total reviews1,731
New books (30 days)0
Breakout books (30 days)0

View on Amazon

What stands out

  • 71% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • Median price $9.99, 59% above the median of their main category, Humorous.

Rui Tsukiyo's best-ranked books

  1. Dungeon Builder: The Demon King's Labyrinth is a Modern City! Vol. 1 (Dungeon Builder: The book cover by Rui Tsukiyo

    Dungeon Builder: The Demon King's Labyrinth is a Modern City! Vol. 1 (Dungeon Builder: The Demon King's Labyrinth is a Modern City! (Manga))

    by Rui Tsukiyo

    • Price$9.99
    • Rating4.5
    • Reviews686
    • Published2020-01

    View on Amazon · Full data on KDPTop

  2. Dungeon Builder: The Demon King's Labyrinth is a Modern City! Vol. 2 (Dungeon Builder: The book cover by Rui Tsukiyo

    Dungeon Builder: The Demon King's Labyrinth is a Modern City! Vol. 2 (Dungeon Builder: The Demon King's Labyrinth is a Modern City! (Manga))

    by Rui Tsukiyo

    • Price$9.99
    • Rating4.7
    • Reviews450

    View on Amazon · Full data on KDPTop

  3. Dungeon Builder: The Demon King's Labyrinth is a Modern City! Vol. 3 (Dungeon Builder: The book cover by Rui Tsukiyo

    Dungeon Builder: The Demon King's Labyrinth is a Modern City! Vol. 3 (Dungeon Builder: The Demon King's Labyrinth is a Modern City! (Manga))

    by Rui Tsukiyo

    • Price$9.99
    • Rating4.7
    • Reviews372

    View on Amazon · Full data on KDPTop

  4. The Reincarnated Prince Becomes an Alchemist and Brings Prosperity to His Country #001 (Th book cover by Rui Tsukiyo

    The Reincarnated Prince Becomes an Alchemist and Brings Prosperity to His Country #001 (The Reincarnated Prince Becomes an Alchemist and Brings Prosperity to His Country Chapter Serials Book 1)

    by Rui Tsukiyo

    • Price$0
    • Rating4.5
    • Reviews100
    • Published2023-06

    View on Amazon · Full data on KDPTop

  5. Dungeon Builder: The Demon King's Labyrinth is a Modern City! (Manga) Vol. 11 book cover by Rui Tsukiyo

    Dungeon Builder: The Demon King's Labyrinth is a Modern City! (Manga) Vol. 11

    by Rui Tsukiyo

    • Price$11.89
    • Rating4.8
    • Reviews65
    • Published2025-06

    View on Amazon · Full data on KDPTop

  6. Dungeon Builder: The Demon King's Labyrinth is a Modern City! (Manga) Vol. 12 book cover by Rui Tsukiyo

    Dungeon Builder: The Demon King's Labyrinth is a Modern City! (Manga) Vol. 12

    by Rui Tsukiyo

    • Price$9.99
    • Rating4.7
    • Reviews56

    View on Amazon · Full data on KDPTop

  7. This Elf Will Not Be Shelved! Chapter 0 (This Elf Will Not Be Shelved! Book 1) book cover by Rui Tsukiyo

    This Elf Will Not Be Shelved! Chapter 0 (This Elf Will Not Be Shelved! Book 1)

    by Rui Tsukiyo

    • Price$0
    • Rating4.0
    • Reviews2

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Rui Tsukiyo have on Amazon?

KDPTop tracks 7 of their books; 5 made an Amazon list in the last 30 days.

Which categories does Rui Tsukiyo publish in?

Their books chart most often in Humorous, Manga, Fantasy.

How does Rui Tsukiyo price their books?

The median price is $9.99; half of the books cost $9.99–$9.99.

Has Rui Tsukiyo released new books recently?

0 new books in the last 30 days.

About this data

Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.