Davide Sesia, representative director of Prada Japan Co., is on the prowl.

His target: the next department store lot for lease. His weapons: the Prada luxury brand, double-digit sales growth and smooth Japanese.

"I must first make department store operators comfortable about dealing with a foreigner," said Sesia, who opened the latest Prada boutique in Tokyo's Setagaya Ward in November. "Using Japanese is absolutely essential."