diff --git a/app/Traits/Order/WithManageItem.php b/app/Traits/Order/WithManageItem.php
index f780d9d..a80e5a7 100644
--- a/app/Traits/Order/WithManageItem.php
+++ b/app/Traits/Order/WithManageItem.php
@@ -15,7 +15,24 @@ trait WithManageItem
      */
     protected function addOrUpdateOrderItem($model, int $quantity, ?string $quality = null): void
     {
-        $existing = $this->items->firstWhere(fn ($i) => $i->orderable_type === get_class($model) && $i->orderable_id === $model->id && $i->quality === $quality);
+        // If the item is a Perfume, we generally want separate entries (especially for custom sizes or distinct refills)
+        // Adjust logic: Only search for existing if it's NOT a Perfume.
+        // Or if user specifically wants Bottles/Products to merge but Perfumes to split:
+
+        $existing = null;
+
+        // Check instance type to decide whether to merge
+        // "if item is perfume, then do not increment quantity"
+        // "if item is bottle or product, then increment quantity"
+        $isPerfume = $model instanceof \App\Models\Perfume;
+
+        if (! $isPerfume) {
+            $existing = $this->items->firstWhere(
+                fn ($i) => $i->orderable_type === get_class($model) &&
+                    $i->orderable_id === $model->id &&
+                    $i->quality === $quality
+            );
+        }
 
         if ($existing) {
             $existing->increment('quantity', $quantity);
diff --git a/resources/views/livewire/studio/manage/order/form.blade.php b/resources/views/livewire/studio/manage/order/form.blade.php
index c0ca266..773be1e 100644
--- a/resources/views/livewire/studio/manage/order/form.blade.php
+++ b/resources/views/livewire/studio/manage/order/form.blade.php
@@ -246,7 +246,7 @@
                                                         @if ($item->quality && $item->quality !== 'Custom')
                                                             {{ $item->quality }}
                                                         @else
-                                                            {{ $item->quality === 'Custom' ? $item->quantity : formatCurrencyNumber($item->quantity, '') }}
+                                                            {{ $item->quality === 'Custom' ? formatCurrencyNumber($item->quantity, '') . ' ml' : formatCurrencyNumber($item->quantity, '') }}
                                                             x
                                                             {{ formatCurrencyNumber($item->unit_price, 'Rp') }}
                                                         @endif
diff --git a/tests/Feature/Studio/Manage/Order/CreateTest.php b/tests/Feature/Studio/Manage/Order/CreateTest.php
index 54f6fec..e04ab6b 100644
--- a/tests/Feature/Studio/Manage/Order/CreateTest.php
+++ b/tests/Feature/Studio/Manage/Order/CreateTest.php
@@ -191,11 +191,13 @@
         'quantity' => 30,
     ]);
 
-    // Bottle should have aggregated to 2 (since bottle has no quality separation)
+    // Bottle SHOULD aggregated to 2 (since bottle isn't a perfume and logic allows increment)
     $this->assertDatabaseHas('order_items', [
         'orderable_id' => $bottle->id,
         'quantity' => 2,
     ]);
+
+    $this->assertDatabaseCount('order_items', 3); // 2 perfumes (diff quality) + 1 bottle (aggregated)
 });
 
 it('can update item quantity in the cart', function () {