Ichiran Atre Ueno Yamashitaguchi is a solo-booth ramen shop in Ueno, Tokyo. Customers order the basic ramen, add an egg, and choose the broth richness, spice level, and noodle firmness. At 8:00 and 8:40 in the morning, seating was available without waiting, and a reservation number sent through Line shows the remaining time and number of people ahead. A waiting line can form depending on the time of day.