1) requires knowledge of a japanese person who is willing to share their secret with you. well done by allan's hairdresser.
and 2) needs a person to be able to locate said restaurant on a map. not trivial, heavily camouflaged on google. but after a long struggle, using legal and resurgent search techniques, here it is:
the simple and understated pleasure of shikibrookline
please to join us in celebration of allan's birthday.