ERT is about 2 minutes away from the station. Go straight out Exit 14 of Isu Station, and take your first left at Lotteria.
You will see a chicken restaurant (누룽지 통닭굼터) in front of you, then take a right.
The alley will turn left. Follow it past the convenience store (CU) and the intersection.
Take a left, and you will see 양계장집 아들 on your right. English Round Table is located on the second floor of the same building as the chicken restaurant.
도로명: 서울 동작구 동작대로29가길 11, 2층
지번: 서울 동작구 사당동 88-22, 2층