diff --git a/README.md b/README.md
index 16a097f..311814f 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 
 ateshi is a Command Line Interface (CLI) tool designed to mimic the functionality of UFO Test.
 
+![demo](doc/demo.gif)
+
 ## Features
 
 - Run UFO Test-like tests in a command-line interface
diff --git a/doc/demo.gif b/doc/demo.gif
new file mode 100644
index 0000000..0047be5
Binary files /dev/null and b/doc/demo.gif differ
diff --git a/doc/demo.tape b/doc/demo.tape
new file mode 100644
index 0000000..e9ba54b
--- /dev/null
+++ b/doc/demo.tape
@@ -0,0 +1,12 @@
+Output demo.gif
+
+Set FontSize 16
+Set Width 1920
+Set Height 1080
+
+Hide
+Type "ateshi"
+Enter
+Show
+
+Sleep 5s