diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..e99ac81
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "shochu"]
+	path = shochu
+	url = https://github.com/overflowerror/shochu
diff --git a/shochu b/shochu
new file mode 160000
index 0000000..0575c9c
--- /dev/null
+++ b/shochu
@@ -0,0 +1 @@
+Subproject commit 0575c9c69247d36b5f9ba1d4fba0e77e3426109e