BW_JP on 18 March 2010
"Now in its fifth entry, Sega's Yakuza series shows no signs of slowing down. Yakuza 4 (yes, it's the fifth entry in the series -- the first PS3 entry, "Yakuza Kenzan," had no number), just released today, saw the highest initial shipment in series history.
Series director Toshihiro Nagoshi revealed this during an open interview conducted at a Shinjuku launch event for the game..."
Read more at the source
http://www.andriasang.com/e/blog/2010/03/18/yakuza_4_shipments/
