Rung Rueang is a noodle shop near Asok in Bangkok that serves plain noodles and tom yam noodles. Customers choose between soup noodles, dry noodles, and tom yam noodles, then pick the broth, noodles, and toppings, ordering in S, M, or L sizes. At 11 a.m. the wait was about 10 minutes, and the main branch and the new branch face each other across the street. The inside of the shop tends to be hot.