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Osamu Nishi: Amazon KDP author data
As of Nov 6, 2026, Osamu Nishi has 17 books on Amazon, 16 of them on a best-seller list in the last 30 days (best rank #4), mostly in Shonen, Action & Adventure Manga, Martial Arts.
| Median price | $11.01 |
|---|---|
| Price range (middle 50%) | $10.99 – $11.99 |
| Median reviews | 15 |
| Total reviews | 401 |
| New listings (30 days, incl. new editions) | 13 |
| Breakout books (30 days) | 1 |
What stands out
- 94% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- 13 new listings in the last 30 days (new editions included), 1 of them broke into a Best Sellers list.
Osamu Nishi's best-ranked books
-
Ichi the Witch T05 (French Edition)
by Osamu Nishi
- Price$5.99
- Rating4.7
- Reviews12
-
Welcome to Demon School! Iruma-kun: IruMafia Edition 1
by Osamu Nishi
- Price$10.99
- Rating4.9
- Reviews79
-
Welcome to Demon School! Iruma-kun: IruMafia Edition 2
by Osamu Nishi
- Price$10.99
- Rating5.0
- Reviews50
-
Welcome to Demon School! Iruma-kun: IruMafia Edition 3
by Osamu Nishi
- Price$10.99
- Rating4.8
- Reviews37
-
Ichi the Witch, Vol. 1
by Osamu Nishi
- Price$8.99
- Rating4.7
- Reviews142
- Published2026-02
-
Ichi the Witch, Vol. 4
by Osamu Nishi
- Price$11.99
- Rating4.8
- Reviews27
-
Ichi the Witch, Vol. 5
by Osamu Nishi
- Price$11.17
- Rating4.7
- Reviews15
-
Welcome to Demon School! Iruma-kun: IruMafia Edition 5
by Osamu Nishi
- Price$11.99
- Rating4.8
- Reviews14
-
Iruma à l'école des démons T35 (French Edition)
by Osamu Nishi
- Price-
- Rating4.4
- Reviews10
-
Iruma à l'école des démons T36 (French Edition)
by Osamu Nishi
- Price-
- Rating4.5
- Reviews9
Main categories
FAQ
How many books does Osamu Nishi have on Amazon?
KDPTop tracks 17 of their books; 16 made an Amazon list in the last 30 days.
Which categories does Osamu Nishi publish in?
Their books chart most often in Shonen, Action & Adventure Manga, Martial Arts.
How does Osamu Nishi price their books?
The median price is $11.01; half of the books cost $10.99–$11.99.
Has Osamu Nishi released new books recently?
13 new books in the last 30 days, 1 of which reached a Best Sellers list.
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.