Aroyna Tabeta: Marunouchi
Marunouchi / Thai
Marunouchi 3-7-11. [under the Yamanote-sen tracks next to Tokyo International Forum] Open 11am-11pm daily.
: Open Sundays
: No smoking
All their set menus are Y600, and the atmosphere is just like dropping into some night stall in Bangkok - loud pop music, fantastic cooking aromas, and minimal decor.
Restaurant listing from Tokyo Food Page