diff --git a/ut/sfkanbun-helper.cr b/ut/sfkanbun-helper.cr
new file mode 100644
index 0000000..c885c61
--- /dev/null
+++ b/ut/sfkanbun-helper.cr
@@ -0,0 +1,17 @@
+filepath = ARGV[0]
+
+
+File.open(filepath) do |file|
+  file.each_line do |line|
+    x = line.split("")
+    x.each do |y|
+      if y == "、" || y == "。"
+        print "(#{y})"
+      elsif y == "" || y == "\n"
+        print "\n"
+      else
+        print "\n\\kundoku{#{y}}{}{}{}"
+      end
+    end
+  end
+end