Macrobiotic curry lunch sets for under 1,000yen (from 600yen up) at

http://www.little-maman.jp/

Queen’s Isetan, Floor 3
Atré Shinagawa (at Shinagawa Station)
2-18-1 Minato Minami, Shinagawa-ku.
Tel: 03-5462-1551. Open daily 10am-8pm.

Options include a soup, curry, brown rice, veg and piece of focaccia(sp?) bread set
And a cutlet, tofu, grilled vegetables and brown rice set (680yen)

Other foods available include vegan ice cream (350yen) and vegan cheesecake or moonroll (380yen)

It's part of a macrobiotic deli, so this should be a safe place to be adventurous.

Seem to be associated with this Macrobiotic mail order company:
http://mamans.jp/

No meat, fish, egg, dairy products, refined sugar, chemical additives, preservatives, artificial colourings nor Genetically Modified ingredients are used here.

Food photos;
http://tanyan.at.webry.info/200607/article_13.html
http://tanyan.at.webry.info/200604/article_5.html (Take out option)