Aruku is an izakaya near Ttukseom Station in Seongsu, Seoul, serving modum sashimi and anju. Orders include black karaage, freshwater shrimp crackers, mozzarella tofu, and mizutaki udon nabe, with beer or highballs alongside. The mizutaki udon nabe is reheated once as the broth cools. The space has private rooms under dim lighting and bar tables suited to drinking alone.