diff --git a/hello.html b/hello.html
index 1fd1524..b3d732b 100644
--- a/hello.html
+++ b/hello.html
@@ -31,6 +31,7 @@
 updateText(elisabeth(), textContent);
 updateText(bob(), textContent);
 updateText(robert(), textContent);
+updateText(tatsuya_matsubara(), textContent);
 // Note: we need to add more function here for everyone to say hello.
 
 // append the text content to the document
diff --git a/tatsuya_matsubara.js b/tatsuya_matsubara.js
new file mode 100644
index 0000000..7e1d863
--- /dev/null
+++ b/tatsuya_matsubara.js
@@ -0,0 +1,3 @@
+function tatsuya_matsubara(){
+	return "Tatsuya Matsubara says hello.";
+}
\ No newline at end of file