Mutan Yeouido Store is a Chinese restaurant in TP Tower, connected directly to Yeouido Station. It serves truffle steak jjajangmyeon, which combines a strong truffle aroma with thick, tender steak and a rich jjajang sauce, along with gochu yurin gi. The dining room is large and clean, with tables separated by partitions, making it suitable for group gatherings or private meals. Reservations fill up quickly in the evening, so booking before visiting is required.