Ajisen Ramen in Mong Kok is a Japanese noodle shop that serves ramen, udon, and rice dishes. The ramen comes with springy noodles and a soft-boiled egg, and a tomato broth is also available. On Saturdays there are enough seats that no wait is needed, and orders are placed by QR code and prepaid on a mobile device. The afternoon set meal requires a wait of at least 30 minutes every time.