According to 4H downtrend, PRZ, and 50 EMA of USDJPY chart we have short position potential with following TP/SL:
TP: 109.5 SL: 110.8 Notice: In half way of SL (when stop loss area Proceeds 50%) (HERE IS 110.6) you can double your size and put TP/SL as bellow: TP1: 110.3 SL: 110.8