Started in 2000, Ai Japanese Restaurant & Lounge is a Japanese restaurant in the United States. Based in Chicago, Ill., the restaurant provides complete lunch, dinner, late night and lounge options. Its menu includes various soups, salads, appetizers, entrees, sushi entrees, noodles and maki. Some of the dishes served by the restaurant are rainbow spicy walnut tuna, organic vegetarian cha soba, sushi moriawase, chicken teriyaki and house salad. It even offers champagne, white and red wine, beers, martinis and cocktails. The Japanese Restaurant & Lounge also renders additional facilities like home delivery, catering and online ordering to its clients.