I went to the Belgium Beer Weekend in Roppongi Hills, Japan one lovely summer day last year. It was a great deal. 3,000 yen for a glass, tokens enough for 3 beers and/or some food, and a booklet explaining all the different brews.
It was a great drunk day.
Venue Roppongi Hills
Address 6-10 Roppongi, Minato-ku, Tokyo
Transport Roppongi station (Hibiya line), exit 1C; (Oedo line), exit 3.
cheers and happy traveling.