Jaja is a Chinese restaurant near Hapjeong Station in Seoul that serves jjambbong and jjajangmyeon along with other Chinese dishes. Its seafood jjambbong contains various seafood, and the white jjambbong has a generous amount of ingredients. Reservations lead to seating in a room, and the separate tables suit groups of five to six people. A notice posted at the restaurant states that solo diners are also accepted, so a person can visit alone.