The discounts expire on 10/15 including the Japan version of Demon's Souls which is 1600￥.
Both games are 50% off which is a pretty good deal imo.
Though, PS+ only cost 500￥ for 30 days, 1300￥ for 90 days, & 5000￥ for a year..
AH weighs 2.6GB on the file size.
The Japan version of Demon's Souls weighs 8.2GB on the file size.