Cafe Bar Isoichi is an oyster izakaya by the side gate of Sensoji in Asakusa. It serves raw and steamed oysters, oyster ramen, seafood, beef, horse meat sashimi, snacks, and wine, and the oyster ramen broth contains minced onion. Oysters can be ordered raw or steamed, and the restaurant uses oysters from Miyagi Prefecture and Yamada in Sanriku. Oyster dishes and ramen are on the higher end of the price range.