Nikoni Koni Ramen is a ramen shop in Hwagok-dong, Gangseo-gu, Seoul, near Hwagok Station, serving tonkotsu ramen and mazesoba. It also offers a spicy tonkotsu ramen, and the saltiness and spiciness can be adjusted to preference. The shop is small with limited seating, so customers sit close to people they do not know. The tonkotsu broth becomes heavier as you eat.