diff --git a/app/assets/stylesheets/extranet/pages/_posts.sass b/app/assets/stylesheets/extranet/pages/_posts.sass
new file mode 100644
index 0000000000000000000000000000000000000000..2b1bfe98615a07d429eee85172d98558afbf5f8e
--- /dev/null
+++ b/app/assets/stylesheets/extranet/pages/_posts.sass
@@ -0,0 +1,19 @@
+.posts-show header figure
+    position: relative
+    figcaption
+        display: block
+        left: 0
+        position: absolute
+        right: 0
+        text-align: right
+        z-index: 10
+        &::before
+            font-family: inter,sans-serif
+            font-size: .875rem
+            font-weight: 400
+            line-height: 150%
+            content: '©'
+            position: absolute
+            right: 0
+            top: 0
+                        
\ No newline at end of file
diff --git a/app/views/extranet/posts/posts/show.html.erb b/app/views/extranet/posts/posts/show.html.erb
index 1d2bf0ce67cacf9db5b0869f76bfcb62a6ff3b45..a1bfd22da241642088b00fa9402748e2aff4050b 100644
--- a/app/views/extranet/posts/posts/show.html.erb
+++ b/app/views/extranet/posts/posts/show.html.erb
@@ -6,7 +6,7 @@
       <%= kamifusen_tag @post.featured_image, class: 'img-fluid', width: 300 %>
       <figcaption tabindex="0">
         <p>
-          <% @post.featured_image_credit %>
+          <%= sanitize @post.featured_image_credit %>
         </p>
       </figcaption>
     </figure>
diff --git a/db/schema.rb b/db/schema.rb
index 040c76bc824124dd0a1628dc2bb33a9b9b82a51f..a22638c875fdcf348e49f48ff14b1b897ccfa479 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -214,21 +214,6 @@ ActiveRecord::Schema[7.0].define(version: 2023_03_09_131421) do
     t.index ["communication_website_post_id", "communication_website_category_id"], name: "post_category"
   end
 
-  create_table "communication_website_connections", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
-    t.uuid "university_id", null: false
-    t.uuid "website_id", null: false
-    t.string "object_type", null: false
-    t.uuid "object_id", null: false
-    t.string "source_type"
-    t.uuid "source_id"
-    t.datetime "created_at", null: false
-    t.datetime "updated_at", null: false
-    t.index ["object_type", "object_id"], name: "index_communication_website_connections_on_object"
-    t.index ["source_type", "source_id"], name: "index_communication_website_connections_on_source"
-    t.index ["university_id"], name: "index_communication_website_connections_on_university_id"
-    t.index ["website_id"], name: "index_communication_website_connections_on_website_id"
-  end
-
   create_table "communication_website_git_files", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
     t.string "previous_path"
     t.string "about_type", null: false
@@ -1029,8 +1014,6 @@ ActiveRecord::Schema[7.0].define(version: 2023_03_09_131421) do
   add_foreign_key "communication_website_categories", "education_programs", column: "program_id"
   add_foreign_key "communication_website_categories", "languages"
   add_foreign_key "communication_website_categories", "universities"
-  add_foreign_key "communication_website_connections", "communication_websites", column: "website_id"
-  add_foreign_key "communication_website_connections", "universities"
   add_foreign_key "communication_website_git_files", "communication_websites", column: "website_id"
   add_foreign_key "communication_website_imported_authors", "communication_website_imported_websites", column: "website_id"
   add_foreign_key "communication_website_imported_authors", "universities"