Restaurant 9.9.9. (San-kyu)
Founded in the 1970s, this small-town Western-food restaurant reads its name '9.9.9.' as 'San-kyu' (Thank You in Japanese). A legendary staple for Kokura locals—'the first name that comes to mind for yoshoku in Kokura.' Signature dishes are Hamburg steak and Katsu Hayashi in homemade demi-glace sauce. Remarkably, prices have barely changed over decades while quality stays high. 15-min walk from Minami-Kokura Station, but locals keep coming back. Google 4.3 / 679 reviews.
Google 4.3/679, Yahoo 4.09/68, Tabelog 3.44/188, 5,484 saves. Regular customers note 'Perfect service, taste, and price—all A+' and 'Still top quality without raising prices.' Featured multiple times in local media as a restaurant that defined Kokura's yoshoku culture. Hamburg steak and katsu dishes praised for their perfection. No sakura suspicion.