diff --git a/JapaneseFilter/sections/specific.txt b/JapaneseFilter/sections/specific.txt
index 7892ebc38e6..aabe287eb36 100644
--- a/JapaneseFilter/sections/specific.txt
+++ b/JapaneseFilter/sections/specific.txt
@@ -60,6 +60,7 @@ gundamlog.com###more > iframe[src^="https://richlink.blogsys.jp"]
 !
 ! NOTE: Specific rules
 !
+sundryst.com##.ad-instream
 zakzak.co.jp##a[href^="https://futawa-sonic.com/?utm_source="]
 sportiva.shueisha.co.jp##article.group-content + ul.list-basic-a:has(> li.c-box > div.c-ad)
 blog.esuteru.com##.amz-card