diff --git a/app/src/main/kotlin/jackall/moncalc/viewmodel/MainViewModel.kt b/app/src/main/kotlin/jackall/moncalc/viewmodel/MainViewModel.kt
new file mode 100644
index 0000000..d410cd5
--- /dev/null
+++ b/app/src/main/kotlin/jackall/moncalc/viewmodel/MainViewModel.kt
@@ -0,0 +1,12 @@
+package jackall.moncalc.viewmodel
+
+import android.arch.lifecycle.ViewModel
+
+/**
+ * MainActivityのViewModel.
+ *
+ * Created by matsumoto_k on 2017/11/01.
+ */
+class MainViewModel : ViewModel() {
+
+}
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