diff --git a/HelloStudents/HelloStudents.csproj b/HelloStudents/HelloStudents.csproj
index 730e5c4..e4cb61f 100644
--- a/HelloStudents/HelloStudents.csproj
+++ b/HelloStudents/HelloStudents.csproj
@@ -46,6 +46,7 @@
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Student3099Ham.cs" />
+    <Compile Include="Student3103Kim.cs" />
     <Compile Include="Student3199Ham.cs" />
     <Compile Include="StudentBase.cs" />
   </ItemGroup>
diff --git a/HelloStudents/Program.cs b/HelloStudents/Program.cs
index 4516612..f757be0 100644
--- a/HelloStudents/Program.cs
+++ b/HelloStudents/Program.cs
@@ -35,6 +35,14 @@ static void Main(string[] args)
             // 3101
             // 3102
             // 3103
+            students.Add(
+               new Student3103Kim()
+               {
+                   FirstName = "나은",
+                   LastName = "김",
+                   StudentNumber = 3103,
+                   BaseYear = 2020
+               });
             // 3104
             // 3105
             // 3106
diff --git a/HelloStudents/Student3103Kim.cs b/HelloStudents/Student3103Kim.cs
new file mode 100644
index 0000000..b12c63c
--- /dev/null
+++ b/HelloStudents/Student3103Kim.cs
@@ -0,0 +1,12 @@
+namespace HelloStudents
+{
+
+    
+    class Student3103Kim : StudentBase
+    {
+        public override string Hello()
+        {
+            return "안녕하세요? 저는 " + this + "입니다!";
+        }
+    }
+}