Ai Sushi Lounge is chicago's newest sushi restaurant located in river north area.Featuring signature Makis from Chef Toyoji hemmi and unique creations from his kitchen such as wasabi filet mignon, seabass cartoccio and the permesan salmon teriyaki.if you are looking for an area to have a cocktail, the lounge features premium sake, an extensive wine list, and martinis created by talented bartenders.