I started to feel bad and disappointed with the service and what is observed for a long time, the inside don't have bathrooms for customers with just a small sink in the walkway backside. If you do not observe it will not know the inside with sinks. Although oishi buffet restaurants will be wet, but not inside the customer will leave the shop and walk a few steps to the bathroom. This problem happens to me very often, and possibly with other customers who want to access the toilet, but you want to walk out of the shop to walk inside the area directly behind the Mall and walk towards the supermarket to the bathroom.