diff --git a/.gitmodules b/.gitmodules
index f13fb62..836c4f4 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -133,3 +133,8 @@
 	url = https://cau-gin.brainminds.riken.jp/brainminds/MTI-R01_0088
 	datalad-id = 05cb5337-632c-4a41-9595-ed039f87a3d1
 	datalad-url = https://cau-gin.brainminds.riken.jp/brainminds/MTI-R01_0088
+[submodule "MTI-R01_0090"]
+	path = MTI-R01_0090
+	url = https://cau-gin.brainminds.riken.jp/brainminds/MTI-R01_0090
+	datalad-id = ba6ffa4a-7fee-4916-ac5f-54b76842a3c9
+	datalad-url = https://cau-gin.brainminds.riken.jp/brainminds/MTI-R01_0090
diff --git a/MTI-R01_0090 b/MTI-R01_0090
new file mode 160000
index 0000000..0abe378
--- /dev/null
+++ b/MTI-R01_0090
@@ -0,0 +1 @@
+Subproject commit 0abe378891b40efbb58ff62025c1bbf53497a77d