If you have logged in as a Rakuten member you can redeem and get 1 Rakuten point per every 100 yen spent. The points will be granted in the next calendar month after checkout.
Ex:
Checkin: May/28, Checkout: May/30 : Points will be granted by the end of June.
Checkin: May/28, Checkout: Jun/02 : Points will be granted by the end of July.