Ichiran Shinjuku Kabukicho is a 24-hour ramen shop in Kabukicho, Shinjuku, serving tonkotsu ramen. You add a soft-boiled egg and choose the broth richness, oil level, garlic, spicy sauce, and noodle firmness. Broth concentration, toppings, and noodle firmness can each be selected to your preference. After 9 p.m. or at midnight, waits of 30 to 40 minutes can occur.