subquery

            company_additions_subquery = CompanyAddition.objects.filter(
                    related_order_additions__order_product__product=OuterRef('product'))

            subquery = Subquery(company_additions_subquery.values('pk'))

            order_products = OrderProduct.objects.filter(
                order=data['order'],
                product=data['product']).annotate(
                order_product_additions=subquery)
            for order_product in order_products:
                print(order_product)
                print(order_product.order_product_additions)