diff --git a/features.js b/features.js
index 12c6f03..6481664 100644
--- a/features.js
+++ b/features.js
@@ -477,6 +477,10 @@ const panels = {
             {
                 "name": "Arousal",
                 "target": "magic_arousal"
+            },
+            {
+                "name": "Summon Cum",
+                "target": "magic_fill_sexual"
             }
         ]
     },
@@ -1531,6 +1535,14 @@ options = [
         "buttons": ["magic_arousal"],
         "default": true,
         "tooltip": "Rapidly arouses the caster"
+      },
+      {
+        "name": "Summon cum",
+        "id": "magicFillSexual",
+        "type": "checkbox",
+        "buttons": ["magic_fill_sexual"],
+        "default": true,
+        "tooltip": "Prepares the caster for quite the gush!"
       }
     ]
   },
diff --git a/game.js b/game.js
index 4d047cf..81d3840 100644
--- a/game.js
+++ b/game.js
@@ -4368,6 +4368,27 @@ function macro_arousal_execute(remaining, max) {
   }
 }
 
+function magic_fill_sexual() {
+  let line = "Full up!";
+
+  update([line, newline]);
+
+  macro_fill_sexual_execute(100, 100);
+}
+
+function macro_fill_sexual_execute(remaining, max) {
+  if (macro.maleParts) {
+    macro.cumStorage.amount += macro.cumStorage.limit * 0.03 * remaining / max;
+  }
+  if (macro.femaleParts) {
+    macro.femcumStorage.amount += macro.femcumStorage.limit * 0.03 * remaining / max;
+  }
+
+  if (remaining > 0) {
+    setTimeout(() => macro_fill_sexual_execute(remaining - 1, max), 25);
+  }
+}
+
 function wings_flap()
 {
   let area = macro.wingArea * 2;