diff --git a/README.md b/README.md
index 5b7290c..d1086d1 100644
--- a/README.md
+++ b/README.md
@@ -7,3 +7,6 @@
 * [adachi's map](../../pages/adachi/map.html)
 * [inosyo's map](../../pages/inosyo/map.html)
 * [satteru's map](../../pages/terumap/map.html)
+
+Leaflet.Syncを使ったマップ表示
+[PPmap](../../pages/natto/PPmap/map.html)
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