Daylit Seongsu is an Asian fusion restaurant in Seongsu that serves Asian fusion noodles and aged kimchi yukhoe maki. The jambon cream noodles use udon noodles, and the direct-fire jokbal noodles come with wide noodles. The space is small, so a wait forms even on weekdays, and you can line up through an app. The food is seasoned on the strong side.