diff --git a/frontend/src/components/TagLink.tsx b/frontend/src/components/TagLink.tsx
index 6a41e68..884c851 100644
--- a/frontend/src/components/TagLink.tsx
+++ b/frontend/src/components/TagLink.tsx
@@ -61,13 +61,23 @@ export default (({ tag,
 			?
 		      </PrefetchLink>))
 	       : (
-		  <PrefetchLink
-		      to={`/wiki/${ encodeURIComponent (tag.name) }`}
-		      className="animate-[wiki-blink_.25s_steps(2,end)_infinite]
-				 dark:animate-[wiki-blink-dark_.25s_steps(2,end)_infinite]"
-		      title={`${ tag.name } Wiki が存在しません．`}>
-		    !
-		  </PrefetchLink>)}
+		  ['character', 'material'].includes (tag.category)
+		  ? (
+		      <PrefetchLink
+			  to={`/materials/new?tag=${ encodeURIComponent (tag.name) }`}
+			  className="animate-[wiki-blink_.25s_steps(2,end)_infinite]
+				     dark:animate-[wiki-blink-dark_.25s_steps(2,end)_infinite]"
+			  title={`${ tag.name } 素材情報が存在しません．`}>
+			!
+		      </PrefetchLink>)
+		  : (
+		      <PrefetchLink
+			  to={`/wiki/${ encodeURIComponent (tag.name) }`}
+			  className="animate-[wiki-blink_.25s_steps(2,end)_infinite]
+				     dark:animate-[wiki-blink-dark_.25s_steps(2,end)_infinite]"
+			  title={`${ tag.name } Wiki が存在しません．`}>
+			!
+		      </PrefetchLink>))}
 	    </span>)}
 	{nestLevel > 0 && (
 	    <span