Why? The series is incredibly niche. Its combination of extreme violence and adult themes makes it a high-risk title for mainstream Western publishers. While Ryuta Amazume’s Nana & Kaoru was licensed in English by FAKKU (an 18+ publisher), Zekka remains largely untranslated officially.
While the Japanese version can sometimes be found on platforms like the Internet Archive or eBay , a readily accessible, legal PDF of the full English translation is rare. Zekka Book English Pdf
An "augmented English translation" has been offered by Serial Pleasures , which claims to provide the most complete, uncensored version of the autobiography. a readily accessible