diff --git a/users/ktrysmt.json b/users/ktrysmt.json
new file mode 100644
index 00000000..672cced0
--- /dev/null
+++ b/users/ktrysmt.json
@@ -0,0 +1,7 @@
+{
+  "copyright": "Kotaro Yoshimatsu",
+  "url": "https://ktrysmt.github.io/",
+  "email": "kotaro.yoshimatsu@gmail.com",
+  "theme": "opensans",
+  "gravatar": true
+}