diff --git a/lib/domains/kr/ac/ok.txt b/lib/domains/kr/ac/ok.txt
new file mode 100644
index 0000000000..bf5de6c658
--- /dev/null
+++ b/lib/domains/kr/ac/ok.txt
@@ -0,0 +1,2 @@
+충청대학교
+chungcheong university