diff --git a/src/main/java/org/ntlab/acanthus_server/entities/Page.java b/src/main/java/org/ntlab/acanthus_server/entities/Page.java
index 1c7ff6d..cebe61b 100644
--- a/src/main/java/org/ntlab/acanthus_server/entities/Page.java
+++ b/src/main/java/org/ntlab/acanthus_server/entities/Page.java
@@ -5,6 +5,11 @@
 public class Page {
     private ArrayList<Layer> layers = new ArrayList<>();
 
+    public Page() {
+        var maxLayer = 4;
+        for (int i = 0; i < maxLayer; i++) this.layers.add(new Layer());
+    }
+
     public ArrayList<Layer> getLayers() {
         return this.layers;
     }