japanese sake(日本酒), right? actually, really difficult to say brand cause i don't know which you can buy at bkk.. but you can select from level/kind of sake, most high quality one is daiginjo(大吟醸), next level is ginjo(吟醸). if you select sake within the daiginjo kind, definitely really taste is very nice.fyi, famous brand are kubota(久保田), hakkaisan(八海山), koshinokanbai(越乃寒梅), krub