diff --git a/JapaneseFilter/sections/specific.txt b/JapaneseFilter/sections/specific.txt
index 61bbc980939..4ac280b1c1c 100644
--- a/JapaneseFilter/sections/specific.txt
+++ b/JapaneseFilter/sections/specific.txt
@@ -10257,6 +10257,7 @@ dova-s.jp##.add-header
 ||itest.bbspink.com/assets/js/ad-manager-bbs.js
 itest.bbspink.com##.ad_subb_ls
 itest.bbspink.com##div[id^="ad_special"]
+itest.5ch.io##.fun_ad_subback
 itest.5ch.io###creative-player
 itest.5ch.io##div[id^="subback-ad-"]
 itest.5ch.io##.ad_300x250_maintap