diff --git a/quirks/shared-credentials.json b/quirks/shared-credentials.json
index 2317343a6..0044fc27d 100644
--- a/quirks/shared-credentials.json
+++ b/quirks/shared-credentials.json
@@ -92,6 +92,12 @@
             "vons.com"
         ]
     },
+    {
+        "shared": [
+            "ana.co.jp",
+            "astyle.jp"
+        ]
+    },
     {
         "from": [
             "angel.co"
diff --git a/quirks/websites-with-shared-credential-backends.json b/quirks/websites-with-shared-credential-backends.json
index 3cdd4d4c6..aa4303256 100644
--- a/quirks/websites-with-shared-credential-backends.json
+++ b/quirks/websites-with-shared-credential-backends.json
@@ -135,6 +135,10 @@
         "ameritrade.com",
         "tdameritrade.com"
     ],
+    [
+        "ana.co.jp",
+        "astyle.jp"
+    ],
     [
         "angel.co",
         "wellfound.com"