Sioldon Nakseongdaejeom is a Japanese-style tonkatsu restaurant in Nakseongdae serving sirloin, tenderloin, and special sirloin cutlets. The pork is aged using a long cross-aging process, cured with koji salt, and fried; the tenderloin is served with salt and wasabi. The special sirloin cutlet includes gabrisal and is available in limited quantities each day. The menu also includes tomato curry udon, and the restaurant offers takeout, delivery, Wi-Fi, and parking.