Love, Makoto
200 Massachusetts Ave NW, Washington, DC
100% positive
Directions: Across from the Hiya Izakaya portion of the restaurant, down a hallway.
Comments: All the restrooms are gender neutral, there are 5 or 6 of them. They're for restaurant patrons of course but honestly this place isn't well manned enough that anyone would question you if you walked in towards the Izakaya confidently.