Building Tsundoku: Turning a Firehose of Manga Releases into a Browsable Backlog

積ん読 (tsundoku) is the Japanese word for the habit of acquiring books and letting them pile up unread. It’s an affectionate kind of self-deprecation, and it’s an uncomfortably accurate description of how I read manga. There’s always a new series I’ve heard is good, a sequel that just got a fresh volume, a thing someone mentioned in passing that I meant to look into. The pile only grows. A few months ago I wrote about Codex, the Rust digital library server I built to manage the comics, manga, and ebooks I already own. Codex is great at the “own” part. It scans my files, fetches metadata, tracks what I have. But it has nothing to say about the part that actually feeds the collection: discovery. What’s new? What got a new volume since I last looked? What have I been meaning to start but never got around to? ...

June 4, 2026 · 13 min · 2736 words · Sylvain Cau