diff --git a/.env.example b/.env.example
index 68000f1..1fb87cc 100644
--- a/.env.example
+++ b/.env.example
@@ -5,8 +5,8 @@
 API_TOKEN=changeme-generate-a-long-random-token
 
 # Comma-separated origins allowed to call the API (CORS). Both Asura domains
-# plus Demonic. Add/remove as the sites' hostnames change.
-ALLOWED_ORIGINS=https://asuracomic.net,https://asurascans.com,https://demonicscans.org
+# plus Demonic, Comix, and Kagane. Add/remove as the sites' hostnames change.
+ALLOWED_ORIGINS=https://asuracomic.net,https://asurascans.com,https://demonicscans.org,https://comix.to,https://kagane.to
 
 # --- Prod override (Traefik) only ---
 # Subdomain Traefik routes to this service (required by the prod override).
@@ -55,4 +55,8 @@ WEB_PASSWORD=
 
 # Headless-shell CDP endpoint for sites behind a JavaScript challenge (kagane).
 # Unset disables browser polling; those sites then rely on the userscript alone.
-BROWSER_WS_URL=ws://headless-shell:9222
+# Leave commented — the compose files' own default (ws://172.28.0.10:9222) is
+# correct. Do NOT set this to the "headless-shell" DNS name: Chrome's DevTools
+# HTTP handler 500s any /json/version request whose Host header isn't an IP or
+# "localhost", which silently breaks every kagane poll.
+# BROWSER_WS_URL=ws://172.28.0.10:9222
diff --git a/DEPLOY.md b/DEPLOY.md
index 8f82aea..eb3f5f5 100644
--- a/DEPLOY.md
+++ b/DEPLOY.md
@@ -36,7 +36,7 @@ Edit `.env`:
 API_TOKEN=<paste output of: openssl rand -hex 32>
 
 # CORS allowlist — leave as-is unless a site changes hostname.
-ALLOWED_ORIGINS=https://asuracomic.net,https://asurascans.com,https://demonicscans.org
+ALLOWED_ORIGINS=https://asuracomic.net,https://asurascans.com,https://demonicscans.org,https://comix.to,https://kagane.to
 
 # Required for the Traefik override. Both have no fallback — compose refuses
 # to start without them. MANGA_WEB_HOST is required even if you never set
diff --git a/README.md b/README.md
index 6ca2428..95be8e6 100644
--- a/README.md
+++ b/README.md
@@ -26,9 +26,10 @@ Bromite userscript (isolated world, Shadow DOM UI, localStorage cache)
 | Var | Default | Notes |
 |-----|---------|-------|
 | `API_TOKEN` | *(required)* | Bearer token shared with the userscript. |
-| `ALLOWED_ORIGINS` | Asura + Demonic origins | Comma-separated CORS allowlist. |
+| `ALLOWED_ORIGINS` | Asura + Demonic + Comix + Kagane origins | Comma-separated CORS allowlist. |
 | `DB_PATH` | `/data/bookmarks.db` | SQLite file location. |
 | `PORT` | `8080` | Plain HTTP; TLS terminated by the proxy. |
+| `BROWSER_WS_URL` | `ws://172.28.0.10:9222` | Headless-shell CDP endpoint used to poll Kagane past its JS challenge. Must be an IP or `localhost` — Chrome's DevTools handler 500s any other Host header. |
 
 ### Endpoints
 
@@ -40,8 +41,9 @@ Bromite userscript (isolated world, Shadow DOM UI, localStorage cache)
 | `GET` | `/healthz` | none | `200 ok`. |
 | `GET` | `/u/{token}/manga-bookmark.user.js` | token in path | Serves the userscript with an mtime-derived `@version`. |
 
-`key` is `<site>:<series_id>` — e.g. `asura:trash-of-the-counts-family-f886a8af`
-or `demonic:Infinite-Level-Up-in-Murim`. Sync is last-write-wins.
+`key` is `<site>:<series_id>` — e.g. `asura:trash-of-the-counts-family-f886a8af`,
+`demonic:Infinite-Level-Up-in-Murim`, `comix:12345`, or
+`kagane:3fa85f64-5717-4562-b3fc-2c963f66afa6`. Sync is last-write-wins.
 
 `updated_at` orders the bookmark list, so it moves only on real reading
 progress: the server applies its timestamp when the row is new or
@@ -200,6 +202,8 @@ The site adapters key everything off URL regex, with `title`/`cover` from
 |------|-----------|-------------|-------------|
 | **Asura** (`asurascans.com`) | `/comics/<slug-hash>` | `/comics/<slug-hash>/chapter/<n>` | `<slug-hash>` |
 | **Demonic** (`demonicscans.org`) | `/manga/<slug>` | `/title/<slug>/chapter/<n>/<page>` (`chaptered.php?manga=<id>&chapter=<n>` 301s here) | `<slug>` |
+| **Comix** (`comix.to`) | `/title/<id>-<slug>` | `/title/<id>-<slug>/<uploadId>-chapter-<n>` | `<id>` |
+| **Kagane** (`kagane.to`) | `/series/<uuid>` | `/series/<uuid>/reader/<bookUuid>` | `<uuid>` |
 
 Notes:
 - **`asuracomic.net` deep links are dead (re-checked 2026-07-25).** They 301 to
diff --git a/docker-compose.yml b/docker-compose.yml
index 75e49df..a819f16 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -15,7 +15,7 @@ services:
     environment:
       # API_TOKEN is required — compose refuses to start without it.
       API_TOKEN: ${API_TOKEN:?set API_TOKEN in .env}
-      ALLOWED_ORIGINS: ${ALLOWED_ORIGINS:-https://asuracomic.net,https://asurascans.com,https://demonicscans.org}
+      ALLOWED_ORIGINS: ${ALLOWED_ORIGINS:-https://asuracomic.net,https://asurascans.com,https://demonicscans.org,https://comix.to,https://kagane.to}
       DB_PATH: /data/bookmarks.db
       PORT: "8080"
       # Gates the browser UI. Unset means the web routes are not served at all.
diff --git a/userscript/manga-bookmark.user.js b/userscript/manga-bookmark.user.js
index 4e4e51d..02b31d5 100644
--- a/userscript/manga-bookmark.user.js
+++ b/userscript/manga-bookmark.user.js
@@ -838,8 +838,8 @@
       title: existing.title || p.title || p.seriesId,
       series_url: existing.series_url || p.seriesUrl || "",
       cover: existing.cover || p.cover || "",
-      last_chapter: p.chapterLabel || "",
-      last_chapter_num: p.chapterNum,
+      last_chapter: p.chapterLabel || existing.last_chapter || "",
+      last_chapter_num: p.chapterNum != null ? p.chapterNum : existing.last_chapter_num,
       last_chapter_url: p.chapterUrl || "",
       updated_at: Date.now(),
     });