diff --git a/futaba-ai.user.js b/futaba-ai.user.js
new file mode 100644
index 0000000..c350359
--- /dev/null
+++ b/futaba-ai.user.js
@@ -0,0 +1,71 @@
+// ==UserScript==
+// @name         AI生成画像の埋め込み情報を表示するやつ
+// @namespace    http://tampermonkey.net/
+// @version      0.1.1
+// @description  AI生成画像の埋め込み情報を表示する。コンテキストメニューから実行して下さい。
+// @author       としあき
+// @match        https://*.2chan.net/*
+// @icon         https://www.google.com/s2/favicons?sz=64&domain=2chan.net
+// @grant        none
+// @homepage     https://wikiwiki.jp/sd_toshiaki/%E5%88%9D%E3%82%81%E3%81%A6%E3%81%AE%E6%96%B9%E3%81%AF%E3%81%93%E3%81%A1%E3%82%89#w79c1be7
+// @run-at       context-menu
+// ==/UserScript==
+(function () {
+    let exif = (str) => {
+        let res = "";
+        for (let i = 0; i < str.length; i = i + 2) {
+            res = res + str[i]
+        }
+        return res;
+    };
+    const exifinfo = () => [...document.querySelectorAll('a[href$=".jpg"]:last-of-type, a[href$=".webp"]:last-of-type')].forEach(async e => {
+        if (!e.dataset.fetched) {
+            e.dataset.fetched = true;
+            const m = (await (await fetch(e.href)).text()).match(/UNICODE*([^
]*)/u);
+            m && (e.parentElement.innerHTML +=
+                  `<details open><summary>Info</summary><pre style="white-space:pre-wrap">${
+                      exif(m[1])
+                          .replace(/&/g,'&amp;')
+                          .replace(/</g, '&lt;')
+                          .replace(/>/g,'&gt;')
+                          .replace(/"/g,'&quot;')
+                          .replace(/'/g,'&#39;')
+                          .replace(/([A-Z][^:,]+: )/g, '<b>$1</b>')
+                  }</pre></details>`)
+        }
+    });
+    const pnginfo = () => [...document.querySelectorAll('a[href$=".png"]:last-of-type')].forEach(async e => {
+        if (!e.dataset.fetched) {
+            e.dataset.fetched = true;
+            const m = (await (await fetch(e.href)).text()).match(/(?<=Xt(?:parameters|Description|Comment)\0*)([^\0]+)/ug);
+            m && (e.parentElement.innerHTML +=
+                  `<details open><summary>Info</summary><pre style="white-space:pre-wrap">${
+                      m.join('')
+                          .replace(/&/g,'&amp;')
+                          .replace(/</g, '&lt;')
+                          .replace(/>/g,'&gt;')
+                          .replace(/"/g,'&quot;')
+                          .replace(/'/g,'&#39;')
+                          .replace(/([A-Z][^:,]+: )/g, '<b>$1</b>')
+                  }</pre></details>`)
+        }
+    });
+    exifinfo();
+    pnginfo();
+    const observer = new MutationObserver((mutations) => {
+        mutations.forEach((mutation) => {
+            if (!mutation.addedNodes.length) return;
+            const rtd = mutation.addedNodes[0].querySelector(".rtd");
+            if (rtd) {
+                exifinfo();
+                pnginfo();
+            }
+        });
+    });
+    const target = document.querySelector(".thre");
+    if (target) {
+        observer.observe(target, {
+            childList: true
+        });
+    }
+})();
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