This is, hands down, the best ramen restaurant in Vegas, in my opinion.
The dining area itself is rather small, and more often than not you'll have to wait awhile for a table (especially during lunch on weekdays, and on weekends). I think it would be super difficult for them to accommodate to a party of more than 4 people.
Their prices are very decent as well. Everything is pretty much under $10. Everything I have tried here tasted excellent.