diff --git a/domains/mio.json b/domains/mio.json
new file mode 100644
index 0000000000..63a08c5af6
--- /dev/null
+++ b/domains/mio.json
@@ -0,0 +1,7 @@
+{
+  "owner": {
+    "username": "ShirakawaMio",
+    "email": "mio.liu.rx@gmail.com",
+    "github": "ShirakawaMio"
+  },
+}