diff --git a/core/src/main/resources/hudson/model/Computer/builds_ja.properties b/core/src/main/resources/hudson/model/Computer/builds_ja.properties
new file mode 100644
index 0000000000000000000000000000000000000000..03ee5c01423ff3ed433ce5303f7d465218371862
--- /dev/null
+++ b/core/src/main/resources/hudson/model/Computer/builds_ja.properties
@@ -0,0 +1 @@
+title={0}\u306E\u30D3\u30EB\u30C9\u5C65\u6B74
\ No newline at end of file
diff --git a/core/src/main/resources/hudson/slaves/SlaveComputer/disconnect_ja.properties b/core/src/main/resources/hudson/slaves/SlaveComputer/disconnect_ja.properties
new file mode 100644
index 0000000000000000000000000000000000000000..93682ce39b15a5c860ab75613ab0ee714f118e51
--- /dev/null
+++ b/core/src/main/resources/hudson/slaves/SlaveComputer/disconnect_ja.properties
@@ -0,0 +1,3 @@
+disconnect=\u5207\u65AD
+Are\ you\ sure\ about\ disconnecting?=\u5207\u65AD\u3057\u3066\u3088\u308D\u3057\u3044\u3067\u3059\u304B?
+Yes=\u5B9F\u884C
diff --git a/core/src/main/resources/hudson/slaves/SlaveComputer/systemInfo_ja.properties b/core/src/main/resources/hudson/slaves/SlaveComputer/systemInfo_ja.properties
new file mode 100644
index 0000000000000000000000000000000000000000..8a32341a183ae73fbfba8f63d11cdb1d4e9cd229
--- /dev/null
+++ b/core/src/main/resources/hudson/slaves/SlaveComputer/systemInfo_ja.properties
@@ -0,0 +1,4 @@
+System\ Information=\u30B7\u30B9\u30C6\u30E0\u60C5\u5831
+System\ Properties=\u30B7\u30B9\u30C6\u30E0\u30D7\u30ED\u30D1\u30C6\u30A3
+Environment\ Variables=\u74B0\u5883\u5909\u6570
+Thread\ Dump=\u30B9\u30EC\u30C3\u30C9\u30C0\u30F3\u30D7
\ No newline at end of file
diff --git a/core/src/main/resources/hudson/util/Messages_ja.properties b/core/src/main/resources/hudson/util/Messages_ja.properties
new file mode 100644
index 0000000000000000000000000000000000000000..773cd5188f137cbafe88be52cd69b91e1ec2937f
--- /dev/null
+++ b/core/src/main/resources/hudson/util/Messages_ja.properties
@@ -0,0 +1,4 @@
+ClockDifference.InSync=\u540C\u671F\u4E2D
+ClockDifference.Ahead=" \u9032\u3093\u3067\u3044\u307E\u3059"
+ClockDifference.Behind=" \u9045\u308C\u3066\u3044\u307E\u3059"
+ClockDifference.Failed=\u30C1\u30A7\u30C3\u30AF\u306B\u5931\u6557\u3057\u307E\u3057\u305F
\ No newline at end of file
diff --git a/core/src/main/resources/hudson/util/NoTempDir/index_ja.properties b/core/src/main/resources/hudson/util/NoTempDir/index_ja.properties
index a4359214522f1530240c845e09ed1be5a300d4e6..605bbcaf807c6265a467233dc1e0cdbb4ae3ee26 100644
--- a/core/src/main/resources/hudson/util/NoTempDir/index_ja.properties
+++ b/core/src/main/resources/hudson/util/NoTempDir/index_ja.properties
@@ -1,2 +1,4 @@
-Error=
-description=
+Error=\u30A8\u30E9\u30FC
+description=\
+  \u30C6\u30F3\u30DD\u30E9\u30EA\u30FC\u30D5\u30A1\u30A4\u30EB\u3092\u4F5C\u6210\u3067\u304D\u307E\u305B\u3093\u3002\u591A\u304F\u306E\u5834\u5408\u30B3\u30F3\u30C6\u30CA\u30FC\u306E\u8A2D\u5B9A\u8AA4\u308A\u304C\u539F\u56E0\u3067\u3059\u3002\
+  JVM\u306F"{0}"\u3092\u30C6\u30F3\u30DD\u30E9\u30EA\u30FC\u30C7\u30A3\u30EC\u30AF\u30C8\u30EA\u3068\u3057\u3066\u4F7F\u7528\u3059\u308B\u3088\u3046\u3067\u3059\u304C\u3001\u3053\u306E\u30C7\u30A3\u30EC\u30AF\u30C8\u30EA\u306F\u5B58\u5728\u3057\u3066\u3044\u3066\u3001\u66F8\u304D\u8FBC\u3080\u3053\u3068\u304C\u3067\u304D\u307E\u3059\u304B?