diff --git a/auto-select-deleted-threads.js b/auto-select-deleted-threads.js
new file mode 100644
index 0000000..dfc0ecf
--- /dev/null
+++ b/auto-select-deleted-threads.js
@@ -0,0 +1,78 @@
+// ==UserScript==
+// @name         Auto Select Deleted Threads
+// @namespace    http://tampermonkey.net/
+// @version      1.0.0
+// @description  Auto select deleted threads based on user preference.
+// @author       Ryahn
+// @match        https://f95zone.to/forums/*
+// @grant        GM.setValue
+// @grant        GM.getValue
+// ==/UserScript==
+
+(function() {
+    'use strict';
+
+    function createSettingsBar() {
+        const settingsBar = document.createElement('div');
+        settingsBar.style.float = 'right';
+        settingsBar.style.marginRight = '10px';
+
+        const selectLabel = document.createElement('label');
+        selectLabel.textContent = 'Auto Select Deleted: ';
+
+        const select = document.createElement('select');
+        const optionYes = document.createElement('option');
+        optionYes.value = 'yes';
+        optionYes.textContent = 'Yes';
+        const optionNo = document.createElement('option');
+        optionNo.value = 'no';
+        optionNo.textContent = 'No';
+
+        select.appendChild(optionYes);
+        select.appendChild(optionNo);
+
+        settingsBar.appendChild(selectLabel);
+        settingsBar.appendChild(select);
+
+        const targetDiv = document.querySelector('#top > div.uix_headerContainer > div.breadcrumb.block > div');
+        if (targetDiv) {
+            targetDiv.appendChild(settingsBar);
+        }
+
+        GM.getValue('autoSelectDeleted', 'no').then(value => {
+            select.value = value;
+        });
+
+        select.addEventListener('change', function() {
+            GM.setValue('autoSelectDeleted', this.value);
+            applyAutoSelect();
+        });
+    }
+
+    function triggerEvent(element, eventType) {
+        const event = new Event(eventType, { bubbles: true });
+        element.dispatchEvent(event);
+    }
+
+    function applyAutoSelect() {
+        GM.getValue('autoSelectDeleted', 'no').then(value => {
+            const deletedThreads = document.querySelectorAll('.is-deleted input[type="checkbox"]');
+            deletedThreads.forEach(checkbox => {
+                if (value === 'yes') {
+                    checkbox.checked = true;
+                    triggerEvent(checkbox, 'click'); 
+                    triggerEvent(checkbox, 'change');
+                } else {
+                    checkbox.checked = false;
+                    triggerEvent(checkbox, 'click');
+                    triggerEvent(checkbox, 'change');
+                }
+            });
+        });
+    }
+
+    window.addEventListener('load', function() {
+        createSettingsBar();
+        applyAutoSelect();
+    });
+})();