Ganso Ramen Nagahamaya
Opened 2009. Open 24 hours, 365 days (closed for cleaning 7-9 AM Mon/Tue). Ramen at 500 yen - extraordinary value. Known locally as 'Kei-ichi.' 9-min walk from Akasaka Station. Cash only.
Reviews say 'ramen this good for 500 yen is almost unfair' and 'perfect for a late-night final bowl.' Tabelog 3.64 with 1,468 reviews. Reputation as a hidden gem known mainly to locals.
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