Review: Another new ramen joint raises the bar yet again

“Are you familiar with the ramen rule?” asks the waiter at HiroNori, a new Japanese ramen noodle shop in Irvine.
“Do you mean the rule about slurping?” I ask, wondering if he’s going to tell me that slurping loudly is not merely acceptable but actually preferred. It’s a sign of respect to the kitchen. Plus, slurping allows the diner to experience all the flavors and aromas more fully.
“No, not that one,” he says.
“Is it your rule against tipp