diff --git a/mylib.py b/mylib.py
index c0a0016..abce3b4 100644
--- a/mylib.py
+++ b/mylib.py
@@ -7,3 +7,6 @@ def greet(self):
 
     def saluer(self):
         return "Bonjour %s!" % self._noun
+
+    def japanese(self):
+        return "Konichiwa %s!" % self._noun
diff --git a/test_mylib.py b/test_mylib.py
index 462242e..38802c6 100644
--- a/test_mylib.py
+++ b/test_mylib.py
@@ -8,3 +8,7 @@ def test_english():
 def test_french():
     greeter = mylib.Greet("monde")
     assert greeter.saluer() == "Bonjour monde!"
+
+def test_japanese():
+    greeter = mylib.Greet("sekai")
+    assert greeter.japanese() == "Konichiwa sekai!"