diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000..049c184901
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "multiversal"]
+	path = multiversal
+	url = https://github.com/autc04/multiversal.git
diff --git a/multiversal b/multiversal
new file mode 160000
index 0000000000..f2e36c1b9c
--- /dev/null
+++ b/multiversal
@@ -0,0 +1 @@
+Subproject commit f2e36c1b9c1122a3489107355b5ab57b06e813b7