Roku Tsuki
Founded 2013. TRY (Tokyo Ramen of the Year) Newcomer Award 2015. Famous for pork bone broth slow-cooked for 3 days and three types of chashu (belly, shoulder, smoked ham). Maintains top status in the competitive Asakusabashi ramen scene for over a decade. Tabelog 3.69, 1,134 reviews.
Reviews consistently say '3-day pork bone broth is in a class of its own', 'all three types of chashu are excellent', and 'quality matches the TRY award even years later'.