diff --git a/seichi-onp-k8s/manifests/seichi-kubernetes/app-templates/seichi-debug-minecraft-on-seichiassist-pr/templates/debug-s1/seichiassist.yaml b/seichi-onp-k8s/manifests/seichi-kubernetes/app-templates/seichi-debug-minecraft-on-seichiassist-pr/templates/debug-s1/seichiassist.yaml
index d9886a4f2..7759f5848 100644
--- a/seichi-onp-k8s/manifests/seichi-kubernetes/app-templates/seichi-debug-minecraft-on-seichiassist-pr/templates/debug-s1/seichiassist.yaml
+++ b/seichi-onp-k8s/manifests/seichi-kubernetes/app-templates/seichi-debug-minecraft-on-seichiassist-pr/templates/debug-s1/seichiassist.yaml
@@ -57,6 +57,18 @@ spec:
           volumeMounts:
             - name: mod-downloader-volume
               mountPath: /plugins
+        - name: world-downloader
+          image: busybox:1.36.1
+          env:
+            - name: WORLD_URL # S1からインポートしてきたワールドデータ
+              value: "http://seichi-private-plugin-blackhole-minio.minio:9000/seichi-plugins/world.tar.gz"
+          volumeMounts:
+            - name: world-download-volume
+              mountPath: /data
+          command:
+            - "sh"
+            - "-c"
+            - 'wget -qO- "${WORLD_URL}" | tar -xz -C /data'
 
       containers:
         - resources:
@@ -251,6 +263,9 @@ spec:
             - name: mod-downloader-volume
               mountPath: /plugins
 
+            - name: world-download-volume
+              mountPath: /data/world
+
       volumes:
         - name: common-mcserver-configs
           configMap:
@@ -275,3 +290,7 @@ spec:
         # mod-downloaderからプラグインをinitContainerでダウンロードしてBugneeCordに受け渡すためのvolume
         - name: mod-downloader-volume
           emptyDir: {}
+
+        # S1から取ってきたワールドデータをぶちこむボリューム
+        - name: world-download-volume
+          emptyDir: {}