One part of the answer goes where the currency pair USD JPY've already given on the chart.
Why on the 1M chart?
Because we need a broader picture of the movements of the currency pair, simply.
Of course I trade in small time frame, including: 1H, 4H.
If you do not have 10 000 USD on your trading account then you definitely are trading short with short entries.
first target @ 102.500
second target@ 101.500
third target @ 101.000
So far so much of me.
With new targets for 15 days in the same place.
And remember, always trust your ANALYSIS.
Because the only way to earn money on Forex