Tsujihan Ark Hills is a seafood donburi restaurant in Ark Hills, Tokyo, serving a dish called Matsu. It comes with four slices of sashimi and kaisen don, and diners finish it by pouring sea bream broth over the rice to eat it like ochazuke. Orders are placed using a Korean menu, and customers wait inside the restaurant. At lunch, waits can run from 30 minutes to over an hour.