If you want to read a book written in English about testing in Japan, you might want to read this book, which is a translation of his Japanese book published in 1998.
This new English version is published by Keisuisha.
Although the publisher has no English web page, the staff members read English. If you're interested in this book, send e-mail to firstname.lastname@example.org.
The price is 1,600 yen.