diff --git a/mu-plugins/global-fonts/NotoSerif/NotoSerifJP-cjk.woff2 b/mu-plugins/global-fonts/NotoSerif/NotoSerifJP-cjk.woff2
new file mode 100644
index 000000000..29d6a26da
Binary files /dev/null and b/mu-plugins/global-fonts/NotoSerif/NotoSerifJP-cjk.woff2 differ
diff --git a/mu-plugins/global-fonts/index.php b/mu-plugins/global-fonts/index.php
index 96fc07ca4..09579e450 100644
--- a/mu-plugins/global-fonts/index.php
+++ b/mu-plugins/global-fonts/index.php
@@ -135,7 +135,7 @@ function get_font_url( $font, $subset ) {
 	$lower_font   = strtolower( trim( $font ) );
 	$lower_subset = strtolower( trim( $subset ) );
 
-	$valid_subsets = array( 'arrows', 'cyrillic-ext', 'cyrillic', 'greek-ext', 'greek', 'latin-ext', 'latin', 'vietnamese' );
+	$valid_subsets = array( 'arrows', 'cyrillic-ext', 'cyrillic', 'greek-ext', 'greek', 'latin-ext', 'latin', 'vietnamese', 'cjk' );
 	if ( ! in_array( $lower_subset, $valid_subsets ) ) {
 		if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
 			trigger_error( sprintf( 'Requested font subset %s does not exist.', esc_html( $lower_subset ) ), E_USER_WARNING );
@@ -212,6 +212,10 @@ function get_font_url( $font, $subset ) {
 			$font_folder    = 'IBMPlexSans/';
 			$font_file_name = 'IBMPlexSans-SemiBold-';
 			break;
+		case 'noto serif jp':
+			$font_folder    = 'NotoSerif/';
+			$font_file_name = 'NotoSerifJP-';
+			break;
 	}
 
 	$filepath = $font_folder . $font_file_name . $lower_subset . '.woff2';
diff --git a/mu-plugins/global-fonts/style.css b/mu-plugins/global-fonts/style.css
index d18221943..8c5bcc1ac 100644
--- a/mu-plugins/global-fonts/style.css
+++ b/mu-plugins/global-fonts/style.css
@@ -1233,3 +1233,16 @@
 	src: url(./IBMPlexSans/IBMPlexSans-SemiBold-arrows.woff2) format("woff2");
 	unicode-range: U+2190-2199;
 }
+
+/*------------------------------*
+ *  Noto Serif JP               *
+ *------------------------------*/
+
+/* cjk */
+@font-face {
+	font-family: "Noto Serif JP";
+	font-weight: 200 900;
+	font-style: normal;
+	font-display: swap;
+	src: url(./NotoSerif/NotoSerifJP-cjk.woff2) format("woff2");
+}