What is Zawa?
Zawa - ざわ‥ A japanese onomatopoeia meaning uneasy atmosphere. Used a lot by Nobuyuki Fukumoto, a japanese manga artist.
Kaiji has serious debts to the yakuza and if he loses this gamble a device on his ear will drill through his eardrum and even further, possibly causing death. ZAWA ZAWA ZAWA...