diff --git a/app/Livewire/Datatable/UsersTable.php b/app/Livewire/Datatable/UsersTable.php
index e20eb97..93f9720 100644
--- a/app/Livewire/Datatable/UsersTable.php
+++ b/app/Livewire/Datatable/UsersTable.php
@@ -65,10 +65,8 @@ public function columns(): array
                 ))
                 ->html(),
 
-            Column::make('Kode Referral', 'referral_code')
-                ->format(fn ($value) => Blade::render(
-                    '<flux:badge color="zinc">'.$value.'</flux:badge>'
-                ))
+            Column::make('Kode Referral', 'referralCode.code')
+                ->format(fn ($value) => Blade::render('<flux:badge color="zinc">'.$value.'</flux:badge>'))
                 ->html(),
 
             Column::make('Gaji Pokok', 'employee.base_salary')
@@ -139,7 +137,7 @@ public function columns(): array
 
     public function builder(): Builder
     {
-        return User::select('users.id', 'email', 'username', 'users.status', 'employee.code', 'employee.full_name', 'employee.phone_number', 'employee.base_salary', 'employee.address', 'employee.hire_date', 'employee.resign_date', 'employee.birthdate', 'employee.gender')->with('employee');
+        return User::select('users.id', 'email', 'username', 'users.status', 'employee.code', 'employee.full_name', 'employee.phone_number', 'employee.base_salary', 'employee.address', 'employee.hire_date', 'employee.resign_date', 'employee.birthdate', 'employee.gender')->with(['employee', 'referralCode']);
     }
 
     public function filters(): array
diff --git a/app/Models/ReferralCode.php b/app/Models/ReferralCode.php
new file mode 100644
index 0000000..c4b9eca
--- /dev/null
+++ b/app/Models/ReferralCode.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasOne;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class ReferralCode extends Model
+{
+    use HasFactory, SoftDeletes;
+
+    protected $guarded = ['id'];
+
+    protected function casts(): array
+    {
+        return [
+            'uses_count' => 'int',
+        ];
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function referralUsage(): HasOne
+    {
+        return $this->hasOne(ReferralUsage::class);
+    }
+}
diff --git a/app/Models/ReferralUsage.php b/app/Models/ReferralUsage.php
new file mode 100644
index 0000000..b442d63
--- /dev/null
+++ b/app/Models/ReferralUsage.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class ReferralUsage extends Model
+{
+    use HasFactory;
+
+    protected $guarded = ['id'];
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function referralCode(): BelongsTo
+    {
+        return $this->belongsTo(ReferralCode::class);
+    }
+}
diff --git a/app/Models/User.php b/app/Models/User.php
index ad040a9..4e829ed 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -41,4 +41,14 @@ public function membership(): HasOne
     {
         return $this->hasOne(Membership::class);
     }
+
+    public function referralCode(): HasOne
+    {
+        return $this->hasOne(ReferralCode::class);
+    }
+
+    public function referralUsage(): HasOne
+    {
+        return $this->hasOne(ReferralUsage::class);
+    }
 }
diff --git a/database/factories/UserFactory.php b/database/factories/UserFactory.php
index 74adc56..6ee2e98 100644
--- a/database/factories/UserFactory.php
+++ b/database/factories/UserFactory.php
@@ -3,7 +3,6 @@
 namespace Database\Factories;
 
 use App\Enums\UserStatus;
-use App\Models\User;
 use Illuminate\Database\Eloquent\Factories\Factory;
 use Illuminate\Support\Facades\Hash;
 
@@ -11,13 +10,10 @@ class UserFactory extends Factory
 {
     public function definition(): array
     {
-        $username = $this->faker->unique()->regexify('[A-Za-z0-9]{8}');
-
         return [
             'email' => $this->faker->unique()->safeEmail(),
-            'username' => $username,
+            'username' => fake()->unique()->regexify('[A-Za-z0-9]{8}'),
             'password' => Hash::make(config('myconfig.password_default')),
-            'referral_code' => generateReferralCode($username, User::max('id') + 1),
             'status' => $this->faker->randomElement(UserStatus::cases()),
         ];
     }
diff --git a/database/migrations/0001_01_01_000000_create_users_table.php b/database/migrations/0001_01_01_000000_create_users_table.php
index 0788000..4ef026a 100644
--- a/database/migrations/0001_01_01_000000_create_users_table.php
+++ b/database/migrations/0001_01_01_000000_create_users_table.php
@@ -17,7 +17,6 @@ public function up(): void
             $table->string('email', 100)->unique();
             $table->string('username', 20)->unique();
             $table->string('password', 97);
-            $table->string('referral_code', 20)->unique();
             $table->enum('status', [UserStatus::values()])->default(UserStatus::ACTIVE)->comment(UserStatus::comment());
             $table->timestamp('last_login_at')->nullable();
             $table->timestamp('last_password_change_at')->nullable();
diff --git a/database/migrations/2025_10_01_083444_create_referral_codes_table.php b/database/migrations/2025_10_01_083444_create_referral_codes_table.php
new file mode 100644
index 0000000..6ce5609
--- /dev/null
+++ b/database/migrations/2025_10_01_083444_create_referral_codes_table.php
@@ -0,0 +1,31 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('referral_codes', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
+            $table->string('code', 20)->unique();
+            $table->unsignedInteger('uses_count')->default(0);
+            $table->timestamps();
+            $table->softDeletes();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('referral_codes');
+    }
+};
diff --git a/database/migrations/2025_10_01_083554_create_referral_usages_table.php b/database/migrations/2025_10_01_083554_create_referral_usages_table.php
new file mode 100644
index 0000000..e251b2d
--- /dev/null
+++ b/database/migrations/2025_10_01_083554_create_referral_usages_table.php
@@ -0,0 +1,29 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('referral_usages', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
+            $table->foreignId('referral_code_id')->constrained()->cascadeOnDelete();
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('referral_usages');
+    }
+};
diff --git a/database/seeders/UserSeeder.php b/database/seeders/UserSeeder.php
index 6ec60c3..44ee5de 100644
--- a/database/seeders/UserSeeder.php
+++ b/database/seeders/UserSeeder.php
@@ -5,6 +5,7 @@
 use App\Enums\EmploymentStatus;
 use App\Enums\Gender;
 use App\Models\Employee;
+use App\Models\ReferralCode;
 use App\Models\User;
 use Illuminate\Database\Seeder;
 use Illuminate\Support\Facades\Hash;
@@ -17,7 +18,6 @@ public function run(): void
             'email' => 'project.pangestuyoga@gmail.com',
             'username' => 'pangestu',
             'password' => Hash::make(config('myconfig.password_default')),
-            'referral_code' => generateReferralCode('pangestu', 1),
         ]);
 
         Employee::create([
@@ -31,5 +31,10 @@ public function run(): void
             'hire_date' => now(),
             'status' => EmploymentStatus::PERMANENT,
         ]);
+
+        ReferralCode::create([
+            'user_id' => $user->id,
+            'code' => generateReferralCode('pangestu', 1),
+        ]);
     }
 }
diff --git a/tests/Feature/Livewire/Studio/Master/User/CreateTest.php b/tests/Feature/Livewire/Studio/Master/User/CreateTest.php
index 204d847..e76dcdc 100644
--- a/tests/Feature/Livewire/Studio/Master/User/CreateTest.php
+++ b/tests/Feature/Livewire/Studio/Master/User/CreateTest.php
@@ -26,7 +26,6 @@
         ->set('form.full_name', $data['full_name'])
         ->set('form.username', $data['username'])
         ->set('form.email', $data['email'])
-        ->set('form.referral_code', $data['referral_code'])
         ->set('form.phone_number', $data['phone_number'])
         ->set('form.base_salary', $data['base_salary'])
         ->set('form.birthdate', $data['birthdate'])
diff --git a/tests/Feature/Livewire/Studio/Master/User/EditTest.php b/tests/Feature/Livewire/Studio/Master/User/EditTest.php
index c1ff764..f85d93f 100644
--- a/tests/Feature/Livewire/Studio/Master/User/EditTest.php
+++ b/tests/Feature/Livewire/Studio/Master/User/EditTest.php
@@ -33,7 +33,6 @@
         ->set('form.full_name', $data['full_name'])
         ->set('form.username', $data['username'])
         ->set('form.email', $data['email'])
-        ->set('form.referral_code', $data['referral_code'])
         ->set('form.phone_number', $data['phone_number'])
         ->set('form.base_salary', $data['base_salary'])
         ->set('form.birthdate', $data['birthdate'])