diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..38da6d9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+__pycache__/
+.vscode/
diff --git a/README.md b/README.md
index e13f689..e38562d 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,16 @@
-# ComfyUI-SimpleCounter
\ No newline at end of file
+# ComfyUI-SimpleCounter
+## 概要
+画像の順次読み込みを補助するシンプルなカスタムノードです。<br>
+以下のようにバッチ数を設定して使います。<br>
+<img src="sample.jpg"><br>
+
+## 動作
+ノードはメニューの「utils」カテゴリーの中にいます。<br>
+バッチ実行中「start」に設定した値からカウントアップしていきます。<br>
+「Queue Prompt」を押すとカウントがリセットされます。<br>
+
+## ライセンスとか
+配布や改変等ご自由にどうぞ。<br>
+
+Python側はノードの定義のみ、全部JavaScript側で処理してます。<br>
+（バッチ開始を知る術が無かったので……）<br>
\ No newline at end of file
diff --git a/SimpleCounter.py b/SimpleCounter.py
new file mode 100644
index 0000000..9d2d2c2
--- /dev/null
+++ b/SimpleCounter.py
@@ -0,0 +1,28 @@
+class SimpleCounter:
+    def __init__(self):
+        pass
+
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {
+            "required": {
+                "start": ("INT", {"default": 0, "min": 0, "step": 1}),
+                "count": ("INT", {"default": 0, "min": 0, "step": 1}),
+            }
+        }
+
+    @classmethod
+    def IS_CHANGED(cls, **kwargs):
+        return float("NaN")
+
+    RETURN_TYPES = ("INT",)
+    RETURN_NAMES = ("index",)
+    FUNCTION = "run"
+    CATEGORY = "utils"
+
+    def run(self, start, count):
+        return (count,)
+
+NODE_CLASS_MAPPINGS = {
+    "Simple Counter": SimpleCounter
+}
diff --git a/__init__.py b/__init__.py
new file mode 100644
index 0000000..4fb144e
--- /dev/null
+++ b/__init__.py
@@ -0,0 +1,3 @@
+from .SimpleCounter import NODE_CLASS_MAPPINGS
+WEB_DIRECTORY = "./js"
+__all__ = ['NODE_CLASS_MAPPINGS','WEB_DIRECTORY']
diff --git a/js/SimpleCounter.js b/js/SimpleCounter.js
new file mode 100644
index 0000000..5e400aa
--- /dev/null
+++ b/js/SimpleCounter.js
@@ -0,0 +1,21 @@
+import { app } from "../../scripts/app.js";
+import { api } from "../../scripts/api.js";
+
+app.registerExtension({
+    name: "SimpleCounter",
+    async beforeRegisterNodeDef(nodeType, nodeData, app) {
+        if (nodeData.name === "Simple Counter") {
+            const origOnNodeCreated = nodeType.prototype.onNodeCreated;
+            nodeType.prototype.onNodeCreated = function () {
+                const r = origOnNodeCreated ? origOnNodeCreated.apply(this) : undefined;
+                const start = this.widgets.find((w) => w.name === "start");
+                const count = this.widgets.find((w) => w.name === "count");
+                let counter = start.value;
+                count.type = "converted-widget"; // hidden
+                count.serializeValue = () => { return counter++; }
+                api.addEventListener("promptQueued", () => { counter = start.value; }); // reset
+                return r;
+            }
+        }
+    }
+})
diff --git a/sample.jpg b/sample.jpg
new file mode 100644
index 0000000..7e8324b
Binary files /dev/null and b/sample.jpg differ