Baek Sojeong Hanyangdae Branch is a Japanese restaurant in front of Hanyang University in Seongdong-gu, Seoul. Its rosu katsu has a crisp breading and thick meat, and it comes with a mini udon. Orders and payments are made through a table tablet and card reader. At lunchtime the restaurant is crowded, and on a weekday even at 1 p.m. the wait can run 20 to 30 minutes.