By Default all Clients recieve 5% cashback on most of the products they buy. Amount of cashback is mentioned under each product price 

and total order cashback is mentioned in the cart

Client can check his Affiliate Bonus status in his Profile under Affiliate Program chapter.

One Affiliate Bonus point is equivalent to 1 Yen and can be used to partially pay any of clients future orders.

On top of affiliate bonus clients get additional discounts based on 2 years orders volume. 
For any questions on discount policy, please contact us on