diff --git a/src/entity/hrms/hrms_payroll.ts b/src/entity/hrms/hrms_payroll.ts
index 666f820..2c6f454 100644
--- a/src/entity/hrms/hrms_payroll.ts
+++ b/src/entity/hrms/hrms_payroll.ts
@@ -37,11 +37,26 @@ export class HrmsPayroll {
   @Column({ type: "decimal", precision: 15, scale: 2, nullable: false, default: 0 })
   subsidy: number;
 
-  @Column({ type: "decimal", precision: 5, scale: 2, nullable: false, default: 4.0 })
-  niss_percentage: number;
+  @Column({ type: "decimal", precision: 15, scale: 2, nullable: false, default: 0 })
+  total_gross: number;
 
-  @Column({ type: "decimal", precision: 5, scale: 2, nullable: false, default: 10.0 })
-  tax_percentage: number;
+  @Column({ type: "decimal", precision: 15, scale: 2, nullable: false, default: 0 })
+  ss_4_percent: number;
+
+  @Column({ type: "decimal", precision: 15, scale: 2, nullable: false, default: 0 })
+  ss_6_percent: number;
+
+  @Column({ type: "decimal", precision: 15, scale: 2, nullable: false, default: 0 })
+  ss_total: number;
+
+  @Column({ type: "decimal", precision: 15, scale: 2, nullable: false, default: 0 })
+  tax_amount: number;
+
+  @Column({ type: "decimal", precision: 15, scale: 2, nullable: false, default: 0 })
+  total_deduct: number;
+
+  @Column({ type: "decimal", precision: 15, scale: 2, nullable: false, default: 0 })
+  total_nett: number;
 
   @Column({ length: 64 })
   status: Status;
diff --git a/src/entity/hrms/hrms_payroll_monthly.ts b/src/entity/hrms/hrms_payroll_monthly.ts
new file mode 100644
index 0000000..4107c5d
--- /dev/null
+++ b/src/entity/hrms/hrms_payroll_monthly.ts
@@ -0,0 +1,115 @@
+import {
+  Entity,
+  PrimaryGeneratedColumn,
+  Column,
+  CreateDateColumn,
+  UpdateDateColumn,
+  DeleteDateColumn,
+  ManyToOne,
+  JoinColumn,
+  Index,
+} from "typeorm";
+import { Status } from "../../types/status";
+import { HrmsEmployee } from "./hrms_employee";
+import { HrmsPayroll } from "./hrms_payroll";
+
+@Entity("hrms_payroll_monthly", { schema: "hrms" })
+@Index(["employee", "period_month", "period_year"], { unique: true })
+export class HrmsPayrollMonthly {
+  @PrimaryGeneratedColumn("uuid")
+  id: string;
+
+  @ManyToOne(() => HrmsEmployee, { onDelete: "RESTRICT", nullable: false })
+  @JoinColumn({ name: "employee_id" })
+  employee: HrmsEmployee;
+
+  @ManyToOne(() => HrmsPayroll, { onDelete: "RESTRICT", nullable: true })
+  @JoinColumn({ name: "payroll_setup_id" })
+  payroll_setup: HrmsPayroll;
+
+  @Column({ type: "int", nullable: false })
+  period_month: number; // 1-12
+
+  @Column({ type: "int", nullable: false })
+  period_year: number; // e.g., 2026
+
+  // Payroll Setup Data (snapshot at the time of generation)
+  @Column({ type: "decimal", precision: 15, scale: 2, nullable: false })
+  basic_salary: number;
+
+  @Column({ type: "decimal", precision: 15, scale: 2, nullable: false, default: 0 })
+  subsidy: number;
+
+  // Working Days Calculation
+  @Column({ type: "int", nullable: false })
+  working_days_in_month: number;
+
+  @Column({ type: "int", nullable: false, default: 0 })
+  days_present: number;
+
+  @Column({ type: "int", nullable: false, default: 0 })
+  days_absent: number;
+
+  @Column({ type: "int", nullable: false, default: 0 })
+  unpaid_leave_days: number;
+
+  // Deductions for Absences
+  @Column({ type: "decimal", precision: 15, scale: 2, nullable: false, default: 0 })
+  deduction_absence: number;
+
+  @Column({ type: "decimal", precision: 15, scale: 2, nullable: false, default: 0 })
+  deduction_unpaid_leave: number;
+
+  @Column({ type: "decimal", precision: 15, scale: 2, nullable: false, default: 0 })
+  total_attendance_deduction: number;
+
+  // Recalculated Amounts
+  @Column({ type: "decimal", precision: 15, scale: 2, nullable: false })
+  adjusted_basic_salary: number;
+
+  @Column({ type: "decimal", precision: 15, scale: 2, nullable: false })
+  total_gross: number;
+
+  @Column({ type: "decimal", precision: 15, scale: 2, nullable: false, default: 0 })
+  ss_4_percent: number;
+
+  @Column({ type: "decimal", precision: 15, scale: 2, nullable: false, default: 0 })
+  ss_6_percent: number;
+
+  @Column({ type: "decimal", precision: 15, scale: 2, nullable: false, default: 0 })
+  ss_total: number;
+
+  @Column({ type: "decimal", precision: 15, scale: 2, nullable: false, default: 0 })
+  tax_amount: number;
+
+  @Column({ type: "decimal", precision: 15, scale: 2, nullable: false, default: 0 })
+  total_deduct: number;
+
+  @Column({ type: "decimal", precision: 15, scale: 2, nullable: false, default: 0 })
+  total_nett: number;
+
+  @Column({ length: 64 })
+  status: Status;
+
+  @Column({ type: "text", nullable: true })
+  notes: string;
+
+  @CreateDateColumn()
+  created_at: Date;
+
+  @Column({ nullable: true, length: 256 })
+  created_by: string;
+
+  @UpdateDateColumn({ nullable: true })
+  updated_at: Date;
+
+  @Column({ nullable: true, length: 256 })
+  updated_by: string;
+
+  @DeleteDateColumn({ nullable: true })
+  deleted_at: Date;
+
+  @Column({ nullable: true, length: 256 })
+  deleted_by: string;
+}
+
diff --git a/src/schema/hrms.ts b/src/schema/hrms.ts
index d80af7e..e30ea55 100644
--- a/src/schema/hrms.ts
+++ b/src/schema/hrms.ts
@@ -10,5 +10,6 @@ export * from "../entity/hrms/hrms_training";
 export * from "../entity/hrms/hrms_training_participant";
 export * from "../entity/hrms/hrms_bank";
 export * from "../entity/hrms/hrms_payroll";
+export * from "../entity/hrms/hrms_payroll_monthly";
 
 export * from "../types/hrms";