Yuzu Ramen Main Branch is a Japanese ramen shop in Seoul, a 10-minute walk from Seoul Station. It serves shoyu ramen and yuzu shio ramen with a light chicken, seafood, and yuzu broth and house-made noodles, and diners add aroma with the yuzu sauce on the table. Waiting is registered on a tablet at the entrance, and noodles and broth can be refilled for free. Around 11:30 the wait grows long.