src/main/java/com/magamochi/mangamochi/service/MangaCreationService.java

@@ -91,7 +91,7 @@ public class MangaCreationService {
   }
 
   private void createMangaImportReview(String title, String url, Provider provider) {
-    if (mangaImportReviewRepository.existsByTitleIgnoreCaseAndUrlIgnoreCase(title, url)) {
+    if (!mangaImportReviewRepository.existsByTitleIgnoreCaseAndUrlIgnoreCase(title, url)) {
       return;
     }