Ichiran Dotonbori Honten is a tonkotsu ramen shop in Dotonbori, Osaka. Customers choose broth richness, spice level, and noodle firmness on an order sheet. After buying a meal ticket from the vending machine at the entrance, they wait at a solo booth seat until the curtain in front opens and the ramen is served. Waits run 30 minutes on Saturday at 8 p.m. and up to 1 hour on Monday at 10:30 a.m.