http://e.nikkei.com/e/fr/l_travel.aspx
Japan Air Carriers Offer Cheap Biz-Class Tickets
TOKYO (Nikkei)--Japanese air carriers are offering deep discounts on their business-class tickets for international routes, attempting to attract more leisure travellers to boost occupancy rates.
Couldn't read the rest of the article without subscription. But anyone knows how cheap we are talking about?
So less chances for us to upgrade?