diff --git a/src/Domain/Manga/Application/Query/GetMangaBySlug.php b/src/Domain/Manga/Application/Query/GetMangaBySlug.php
new file mode 100644
index 0000000..64292b2
--- /dev/null
+++ b/src/Domain/Manga/Application/Query/GetMangaBySlug.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace App\Domain\Manga\Application\Query;
+
+readonly class GetMangaBySlug
+{
+    public function __construct(
+        public string $slug
+    ) {}
+} 
\ No newline at end of file
diff --git a/src/Domain/Manga/Application/QueryHandler/GetMangaBySlugHandler.php b/src/Domain/Manga/Application/QueryHandler/GetMangaBySlugHandler.php
new file mode 100644
index 0000000..b41e7b7
--- /dev/null
+++ b/src/Domain/Manga/Application/QueryHandler/GetMangaBySlugHandler.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Domain\Manga\Application\QueryHandler;
+
+use App\Domain\Manga\Application\Query\GetMangaBySlug;
+use App\Domain\Manga\Application\Response\MangaResponse;
+use App\Domain\Manga\Domain\Contract\Repository\MangaRepositoryInterface;
+use App\Domain\Manga\Domain\Exception\MangaNotFoundException;
+use App\Domain\Manga\Domain\Model\ValueObject\MangaSlug;
+
+readonly class GetMangaBySlugHandler
+{
+    public function __construct(
+        private MangaRepositoryInterface $mangaRepository
+    ) {}
+
+    public function handle(GetMangaBySlug $query): MangaResponse
+    {
+        $manga = $this->mangaRepository->findBySlug(new MangaSlug($query->slug));
+
+        if (!$manga) {
+            throw new MangaNotFoundException();
+        }
+
+        return new MangaResponse(
+            id: $manga->getId()->getValue(),
+            title: $manga->getTitle()->getValue(),
+            slug: $manga->getSlug()->getValue(),
+            description: $manga->getDescription(),
+            author: $manga->getAuthor(),
+            publicationYear: $manga->getPublicationYear(),
+            genres: $manga->getGenres(),
+            status: $manga->getStatus(),
+            externalId: $manga->getExternalId()?->getValue(),
+            imageUrl: $manga->getImageUrl(),
+            rating: $manga->getRating()
+        );
+    }
+} 
\ No newline at end of file
diff --git a/src/Domain/Manga/Domain/Contract/Repository/MangaRepositoryInterface.php b/src/Domain/Manga/Domain/Contract/Repository/MangaRepositoryInterface.php
index 303299d..459898e 100644
--- a/src/Domain/Manga/Domain/Contract/Repository/MangaRepositoryInterface.php
+++ b/src/Domain/Manga/Domain/Contract/Repository/MangaRepositoryInterface.php
@@ -5,6 +5,7 @@ namespace App\Domain\Manga\Domain\Contract\Repository;
 use App\Domain\Manga\Domain\Model\Manga;
 use App\Domain\Manga\Domain\Model\Chapter;
 use App\Domain\Manga\Domain\Model\ValueObject\ExternalId;
+use App\Domain\Manga\Domain\Model\ValueObject\MangaSlug;
 
 interface MangaRepositoryInterface
 {
@@ -17,4 +18,5 @@ interface MangaRepositoryInterface
     public function countChapters(string $mangaId): int;
     public function findByExternalId(ExternalId $externalId): ?Manga;
     public function saveChapter(Chapter $chapter): void;
+    public function findBySlug(MangaSlug $slug): ?Manga;
 } 
\ No newline at end of file
diff --git a/src/Domain/Manga/Infrastructure/ApiPlatform/Resource/GetMangaBySlugResource.php b/src/Domain/Manga/Infrastructure/ApiPlatform/Resource/GetMangaBySlugResource.php
new file mode 100644
index 0000000..6dddb31
--- /dev/null
+++ b/src/Domain/Manga/Infrastructure/ApiPlatform/Resource/GetMangaBySlugResource.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Domain\Manga\Infrastructure\ApiPlatform\Resource;
+
+use ApiPlatform\Metadata\ApiResource;
+use ApiPlatform\Metadata\Get;
+use App\Domain\Manga\Infrastructure\ApiPlatform\Dto\MangaDetail;
+use App\Domain\Manga\Infrastructure\ApiPlatform\State\Provider\GetMangaBySlugStateProvider;
+
+#[ApiResource(
+    shortName: 'Manga',
+    operations: [
+        new Get(
+            uriTemplate: '/mangas/by-slug/{slug}',
+            provider: GetMangaBySlugStateProvider::class,
+            output: MangaDetail::class,
+            name: 'get_manga_by_slug'
+        )
+    ]
+)]
+class GetMangaBySlugResource
+{
+    public function __construct(
+        public string $slug
+    ) {}
+} 
\ No newline at end of file
diff --git a/src/Domain/Manga/Infrastructure/ApiPlatform/State/Provider/GetMangaBySlugStateProvider.php b/src/Domain/Manga/Infrastructure/ApiPlatform/State/Provider/GetMangaBySlugStateProvider.php
new file mode 100644
index 0000000..fc6845b
--- /dev/null
+++ b/src/Domain/Manga/Infrastructure/ApiPlatform/State/Provider/GetMangaBySlugStateProvider.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Domain\Manga\Infrastructure\ApiPlatform\State\Provider;
+
+use ApiPlatform\Metadata\Operation;
+use ApiPlatform\State\ProviderInterface;
+use App\Domain\Manga\Application\Query\GetMangaBySlug;
+use App\Domain\Manga\Application\QueryHandler\GetMangaBySlugHandler;
+use App\Domain\Manga\Infrastructure\ApiPlatform\Dto\MangaDetail;
+
+readonly class GetMangaBySlugStateProvider implements ProviderInterface
+{
+    public function __construct(
+        private GetMangaBySlugHandler $handler
+    ) {}
+
+    public function provide(Operation $operation, array $uriVariables = [], array $context = []): MangaDetail
+    {
+        $query = new GetMangaBySlug($uriVariables['slug']);
+        $response = $this->handler->handle($query);
+
+        return new MangaDetail(
+            id: $response->id,
+            title: $response->title,
+            slug: $response->slug,
+            description: $response->description,
+            author: $response->author,
+            publicationYear: $response->publicationYear,
+            genres: $response->genres,
+            status: $response->status,
+            externalId: $response->externalId,
+            imageUrl: $response->imageUrl,
+            rating: $response->rating
+        );
+    }
+} 
\ No newline at end of file
diff --git a/src/Domain/Manga/Infrastructure/Persistence/LegacyMangaRepository.php b/src/Domain/Manga/Infrastructure/Persistence/LegacyMangaRepository.php
index fdbcbd8..d01f291 100644
--- a/src/Domain/Manga/Infrastructure/Persistence/LegacyMangaRepository.php
+++ b/src/Domain/Manga/Infrastructure/Persistence/LegacyMangaRepository.php
@@ -53,6 +53,14 @@ readonly class LegacyMangaRepository implements MangaRepositoryInterface
         return $entity ? $this->toDomain($entity) : null;
     }
 
+    public function findBySlug(MangaSlug $slug): ?DomainManga
+    {
+        $entity = $this->entityManager->getRepository(EntityManga::class)
+            ->findOneBy(['slug' => $slug->getValue()]);
+
+        return $entity ? $this->toDomain($entity) : null;
+    }
+
     public function save(DomainManga $manga): void
     {
         $entity = new EntityManga();
diff --git a/tests/Domain/Manga/Adapter/InMemoryMangaRepository.php b/tests/Domain/Manga/Adapter/InMemoryMangaRepository.php
index 0f8f6b7..b99b3b7 100644
--- a/tests/Domain/Manga/Adapter/InMemoryMangaRepository.php
+++ b/tests/Domain/Manga/Adapter/InMemoryMangaRepository.php
@@ -7,6 +7,7 @@ use App\Domain\Manga\Domain\Model\Chapter;
 use App\Domain\Manga\Domain\Model\Manga;
 use App\Domain\Manga\Domain\Model\ValueObject\ChapterId;
 use App\Domain\Manga\Domain\Model\ValueObject\ExternalId;
+use App\Domain\Manga\Domain\Model\ValueObject\MangaSlug;
 
 class InMemoryMangaRepository implements MangaRepositoryInterface
 {
@@ -47,6 +48,16 @@ class InMemoryMangaRepository implements MangaRepositoryInterface
         return $this->mangas[$id] ?? null;
     }
 
+    public function findBySlug(MangaSlug $slug): ?Manga
+    {
+        foreach ($this->mangas as $manga) {
+            if ($manga->getSlug()->getValue() === $slug->getValue()) {
+                return $manga;
+            }
+        }
+        return null;
+    }
+
     public function save(Manga $manga): void
     {
         $this->mangas[$manga->getId()->getValue()] = $manga;
diff --git a/tests/Domain/Manga/Application/QueryHandler/GetMangaBySlugHandlerTest.php b/tests/Domain/Manga/Application/QueryHandler/GetMangaBySlugHandlerTest.php
new file mode 100644
index 0000000..fb1fcbc
--- /dev/null
+++ b/tests/Domain/Manga/Application/QueryHandler/GetMangaBySlugHandlerTest.php
@@ -0,0 +1,74 @@
+<?php
+
+namespace App\Tests\Domain\Manga\Application\QueryHandler;
+
+use App\Domain\Manga\Application\Query\GetMangaBySlug;
+use App\Domain\Manga\Application\QueryHandler\GetMangaBySlugHandler;
+use App\Domain\Manga\Domain\Exception\MangaNotFoundException;
+use App\Domain\Manga\Domain\Model\Manga;
+use App\Domain\Manga\Domain\Model\ValueObject\MangaId;
+use App\Domain\Manga\Domain\Model\ValueObject\MangaSlug;
+use App\Domain\Manga\Domain\Model\ValueObject\MangaTitle;
+use App\Tests\Domain\Manga\Adapter\InMemoryMangaRepository;
+use PHPUnit\Framework\TestCase;
+
+class GetMangaBySlugHandlerTest extends TestCase
+{
+    private InMemoryMangaRepository $repository;
+    private GetMangaBySlugHandler $handler;
+
+    protected function setUp(): void
+    {
+        $this->repository = new InMemoryMangaRepository();
+        $this->handler = new GetMangaBySlugHandler($this->repository);
+    }
+
+    public function testHandleReturnsCorrectMangaResponse(): void
+    {
+        // Arrange
+        $manga = new Manga(
+            new MangaId('1'),
+            new MangaTitle('One Piece'),
+            new MangaSlug('one-piece'),
+            'Description',
+            'Eiichiro Oda',
+            1997,
+            ['Action', 'Adventure'],
+            'ongoing',
+            null,
+            'https://example.com/image.jpg',
+            4.5
+        );
+        $this->repository->save($manga);
+
+        // Act
+        $response = $this->handler->handle(new GetMangaBySlug('one-piece'));
+
+        // Assert
+        $this->assertEquals('1', $response->id);
+        $this->assertEquals('One Piece', $response->title);
+        $this->assertEquals('one-piece', $response->slug);
+        $this->assertEquals('Description', $response->description);
+        $this->assertEquals('Eiichiro Oda', $response->author);
+        $this->assertEquals(1997, $response->publicationYear);
+        $this->assertEquals(['Action', 'Adventure'], $response->genres);
+        $this->assertEquals('ongoing', $response->status);
+        $this->assertNull($response->externalId);
+        $this->assertEquals('https://example.com/image.jpg', $response->imageUrl);
+        $this->assertEquals(4.5, $response->rating);
+    }
+
+    public function testHandleThrowsExceptionWhenMangaNotFound(): void
+    {
+        // Assert
+        $this->expectException(MangaNotFoundException::class);
+
+        // Act
+        $this->handler->handle(new GetMangaBySlug('non-existent-manga'));
+    }
+
+    protected function tearDown(): void
+    {
+        $this->repository->clear();
+    }
+} 
\ No newline at end of file
diff --git a/tests/Feature/Manga/GetMangaBySlugTest.php b/tests/Feature/Manga/GetMangaBySlugTest.php
new file mode 100644
index 0000000..bd4aa3e
--- /dev/null
+++ b/tests/Feature/Manga/GetMangaBySlugTest.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Tests\Feature\Manga;
+
+use App\Entity\Manga;
+use App\Factory\MangaFactory;
+use App\Tests\Feature\AbstractApiTestCase;
+use Symfony\Component\HttpFoundation\Response;
+use Zenstruck\Foundry\Test\Factories;
+use Zenstruck\Foundry\Test\ResetDatabase;
+
+class GetMangaBySlugTest extends AbstractApiTestCase
+{
+    use ResetDatabase, Factories;
+
+    public function testGetMangaBySlugReturnsCorrectManga(): void
+    {
+        // Arrange
+        $manga = MangaFactory::createOne([
+            'title' => 'One Piece',
+            'slug' => 'one-piece',
+            'description' => 'Description',
+            'author' => 'Eiichiro Oda',
+            'publicationYear' => 1997,
+            'genres' => ['Action', 'Adventure'],
+            'status' => 'ongoing',
+            'imageUrl' => 'https://example.com/image.jpg',
+            'rating' => 4.5,
+            'monitored' => true
+        ]);
+
+        // Act
+        static::createClient()->request('GET', '/api/mangas/by-slug/one-piece');
+
+        // Assert
+        $this->assertResponseIsSuccessful();
+        $this->assertJsonContains([
+            'id' => (string) $manga->getId(),
+            'title' => 'One Piece',
+            'slug' => 'one-piece',
+            'description' => 'Description',
+            'author' => 'Eiichiro Oda',
+            'publicationYear' => 1997,
+            'genres' => ['Action', 'Adventure'],
+            'status' => 'ongoing',
+            'imageUrl' => 'https://example.com/image.jpg',
+            'rating' => 4.5
+        ]);
+    }
+
+    public function testGetMangaBySlugReturns404WhenMangaNotFound(): void
+    {
+        // Act
+        static::createClient()->request('GET', '/api/mangas/by-slug/non-existent-manga');
+        
+        // Assert
+        $this->assertResponseStatusCodeSame(Response::HTTP_NOT_FOUND);
+    }
+} 
\ No newline at end of file