Jinjak Dining is a Japanese restaurant in Seongsu, Seoul, near Ttukseom Station and Seoul Forest, serving modum katsu, futomaki, and kaisendon. The modum katsu comes with sirloin, tenderloin, menchi katsu, and fried shrimp, and diners also order futomaki and kaisendon alongside it. The dining room is large with a high ceiling, and the spacing between tables is wide. Walking in without a reservation means waiting.