Ichiran in Tokyo's Shibuya runs 24-hour tonkotsu ramen for under 1,500 yen including a kaedama refill. Vending machine ticketing, solo-booth seating.
Try: Tonkotsu ramen with customisation slip
Tip: Late-night cheaper than peak hours. Pay at the machine; the slip lets you set spice, broth richness, noodle firmness.
Afuri in Tokyo's Ebisu serves yuzu-shio ramen for around 1,200 yen, open 11:00 to 05:00 daily. The lightest clean late-night bowl in the city.
Try: Yuzu shio ramen
Tip: Vending-machine ordering, cashless only. Lunch sets cheaper than dinner; tsukemen costs 100 to 200 yen extra.
CoCo Ichibanya in Tokyo's Shibuya is the Japanese curry-house chain where you build your bowl: rice quantity, spice level 1 to 10, toppings, all under 1,300 yen.
Try: Japanese curry rice, choose-your-spice
Tip: Pork katsu plus spinach is the canonical add-on. Spice level 5 is mid; vegetarian curry available.
Tsuta in Tokyo's Yoyogi-Uehara was the first ramen shop with a Michelin star (2016 guide), still under 1,800 yen for the truffle-oil shoyu soba.
Try: Shoyu soba with truffle oil
Tip: Closed Tuesdays. Lunch only 11:00 to 15:00; no ticket system, queue in person.
Tsukiji Outer Market in Tokyo serves the city's best-value sushi breakfast: standing-counter nigiri at 1,500 yen, tamagoyaki sticks at 200, fish skewers at 400.
Try: Standing sushi, tamagoyaki sticks, uni don
Tip: Closed Wednesdays and Sundays. Start at the Namiyoke shrine corner; the standing-sushi counters thin out after 10:00.