TOKYO -- Luxurious condominium units worth 100 million yen ($735,000) or more, known as "okushon," have been multiplying in parts of Japan where such properties, generally viewed as suited to megacities, have been rare.
Low interest rates, rising costs, rich retirees fueling trend in smaller cities

Fukui Tower Sky Residence, left, is a 28-story, 118-unit condominium being constructed near JR Fukui Station. (Illustration courtesy of Haseko Real Estate Development)
TOKYO -- Luxurious condominium units worth 100 million yen ($735,000) or more, known as "okushon," have been multiplying in parts of Japan where such properties, generally viewed as suited to megacities, have been rare.