How Far Dollar Yen can go Go this Time ?

Plan A:
Once Reaching Around 155.20,
Observed the reversal pattern,
such as 4H bearish harami, 4H bearish engulfing,
Long shooting star to enter the short trade.
At least 1-3 profit target that can be set separately
as T1, T2 , T3.

Plan B:
What happen if no reversal pattern found :
very simple continue to Long.