Find this elegant omakase spot tucked away in a chic residential tower in the Back Bay enclave of Bay Village. Wa Shin boasts a contemporary, polished look dominated by an L-shaped hinoki counter, while dark stone tile flooring contrasts with light wood, and well-calibrated lighting casts a warm glow. Arrive on time, as there are three seatings nightly. Chef Sky Zheng possesses impressive skill. High quality fish, largely imported from Japan, serves as the foundation of the edomae-style sushi that is made distinct by its mildly seasoned and judiciously embellished cuts. A few zensai kick off the meal, like hairy crab from Hokkaido with Okinawa seaweed. before slices of torched madai dressed with citrus and sea salt, or needlefish with shiso blossoms arrive.