Based on the 4 hour timeframe we could see price moving inside the area which i have highlighted.
Area around 106.75-106.85 served as support previously. During this last 10 days, price tested this area 3 times. Price finally closed below it on 4hr timeframe at Tuesday.
We could see further drop in USDJPY from this point
Sell USDJPY 107.00-106.90 Stop loss 107.40 Take profit 1 @106.40 Take profit 2 @106.00 Take profit 3 @105.60