diff --git a/EntitiesModel.puml b/EntitiesModel.puml
index 08d033d7..876180c4 100644
--- a/EntitiesModel.puml
+++ b/EntitiesModel.puml
@@ -90,6 +90,11 @@ class MedicalRecord {
     date : Date
 }
 
+class FavouritedPets {
+    id : Long
+    petId : Long
+}
+
 
 Pet "1" -- "*" MedicalRecord : has >
 
@@ -104,4 +109,5 @@ Client "*" -> "*" Shelter : donate >
 Adoption "*" -> "1" Pet :adopted >
 Adoption "*" -> "1" User :adopt <
 ShelterVolunteer "1.*" -> "*" Shelter : works >
+User "1" -> "*" FavouritedPets : hasFavourited >
 @enduml
\ No newline at end of file
diff --git a/src/main/java/cat/udl/eps/softarch/demo/domain/FavouritedPets.java b/src/main/java/cat/udl/eps/softarch/demo/domain/FavouritedPets.java
new file mode 100644
index 00000000..7fa9eb4f
--- /dev/null
+++ b/src/main/java/cat/udl/eps/softarch/demo/domain/FavouritedPets.java
@@ -0,0 +1,18 @@
+package cat.udl.eps.softarch.demo.domain;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.validation.constraints.NotNull;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+@EqualsAndHashCode(callSuper = true)
+@Entity
+@Data
+public class FavouritedPets extends UriEntity<Long> {
+    @Id
+    @NotNull
+    Long id;
+
+    Long petId;
+}
diff --git a/src/main/java/cat/udl/eps/softarch/demo/domain/User.java b/src/main/java/cat/udl/eps/softarch/demo/domain/User.java
index a7e9fa07..43a9b200 100644
--- a/src/main/java/cat/udl/eps/softarch/demo/domain/User.java
+++ b/src/main/java/cat/udl/eps/softarch/demo/domain/User.java
@@ -1,12 +1,10 @@
 package cat.udl.eps.softarch.demo.domain;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
-
+import com.fasterxml.jackson.annotation.JsonValue;
 import jakarta.persistence.*;
 import jakarta.validation.constraints.Email;
 import jakarta.validation.constraints.NotBlank;
-
-import com.fasterxml.jackson.annotation.JsonValue;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import org.hibernate.validator.constraints.Length;
@@ -77,7 +75,7 @@ public boolean isEnabled() {
 		return true;
 	}
 
-	@ManyToMany
-	public List<Pet> favouritedPets;
+	@OneToMany(fetch = FetchType.EAGER)
+	public List<FavouritedPets> favouritedPets;
 
 }