Happi Endo is an izakaya on Yongridan-gil near Samgakji Station in Seoul, serving aged hoe, Japanese-style anju, and a range of drinks. Its signature items are aged kimchi sashimi salt gimbap and abalone innards pasta, with Kirin draft beer and yuja sawa available to order alongside. The mackerel bong sushi is limited to five servings per day. The interior is marked by full-length windows that let in sunlight.