Trend has been changed.
It's ok to short for a pull back. But with limited profit and rooms, ask yourself why do you want to against the trend...
Technically speaking, RSI (Daily Chart) has now back to 50 . And the Long Pin bars are the very good indication.
Economically , watch what President Abe said and how it did impact the Yen.
SL 15-20 pips below/above the orange box.
104.8-104.66 would be a good place to buy (if the price does not drop below it). If it does, buy in the orange box (near 103.9).