Ililju is an izakaya in Sajik-dong, Seoul, between Seochon and Gwanghwamun. It serves gaji twigim, ham katsu, oksusu twigim and aged sashimi, along with draft beer, soju and sake. Reservations are taken by phone through an ARS line, and names are written on a board in front of the shop. Because booking is difficult, you may end up turning away due to a wait.