During the checkout process, you can make use of coupon codes to receive exciting discounts. It's important to ensure that you enter the coupon code exactly as it appears to avail the discount.

1. "DOUBLEUP" - Use the "DOUBLEUP" coupon code when purchasing 2 manga volumes, and you will receive a discount of Rs. 50 on your order total.
2. "THREESOME" - Use the "THREESOME" coupon code when purchasing 3 manga volumes, and you will receive a discount of Rs. 70 on your order total.
3. "FANTASTICFOUR" - Use the "FANTASTICFOUR" coupon code when purchasing 4 manga volumes, and you will receive a discount of Rs. 125 on your order total.
4. "HIGHFIVE" - Use the "HIGHFIVE" coupon code when purchasing 5 manga volumes, and you will receive a discount of Rs. 200 on your order total.