Quality Assurance in Another World Vol. 1

Name: Quality Assurance in Another World Vol. 1
Price: 7.99 USD
Availability: InStock
Rating: 4.3 (45 reviews)
Author: Sato, Masamichi

by Sato, Masamichi

Fantasy Science Fiction Fantasy

4.3 (45)

Published by Kodansha Comics

$7.9927% off peak

Last checked: Apr 28, 2026

Hidden GemHighly rated but flying under the radar. Fewer readers have found this one yet.

Price history: $0.99 – $10.99

While not the biggest discount we've seen for this book, it's still a great deal and we recommend grabbing it before price returns to its normal range.

Price range: $0.99 – $10.99

Buy on Amazon - $7.99

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Perfect for you if...

You love isekai stories but want something that deconstructs the genre rather than just copying it.
You're drawn to mysteries about hidden worlds operating behind the scenes, with characters slowly uncovering the truth.
You enjoy action fantasy with a slower burn that prioritises worldbuilding and character secrets over constant spectacle.

Maybe not for you if...

You want to skip lengthy explanations of how magic systems work or prefer straightforward adventure over conceptual intrigue.
You're looking for a standalone story, since this is volume one of an ongoing series with unresolved plot threads.
You expect traditional isekai fare with a protagonist transported to another world, since this takes place entirely within that world.

About this book

Nikola is a village girl working at an inn in what she believes is a quiet countryside life. When dragons invade her village, she meets Haga, a scholar who arrives to "debug" the situation. His presence raises unsettling questions: Is her life truly what she thought it was? What does "QA" mean? Haga belongs to an elite society called the "Seekers," an organization created to address a series of maladies affecting their usually peaceful world. As Nikola and Haga grow closer, both discover they are hiding secrets that will fundamentally change each other's lives. This isekai story explores the genre from an unconventional angle, focusing on how such a world actually functions rather than following a traditional reincarnation narrative.

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Price History

Kindle price over time. Green zones = periods when the book was free.

$0.99 – $10.99

Currently on sale at $7.99 — 27% off peak. Price has dropped 7 times over the last 5 years. Goes on sale roughly every 220 days. Typically stays discounted for 13 days.

Sales Rank

Amazon sales rank: lower number = better selling book. #1 is the bestseller.

Currently around #672K in the Kindle store — a niche title.

Rating & Reviews

Purple line = star rating over time. Blue area = total review count growth.

Currently 4.3★ from 45 reviews

Review activity has been quiet recently. Rating has remained stable at 4.3 over the tracking period.

Sale Prediction

Actual Predicted

This book is currently discounted at $7.99. It typically returns to around $10.99.

Prices shown in USD from Amazon US. We continuously pull new data to improve tracking. If dates look old, it usually means there has been no significant change since the last data point.