GBP/JPY is meeting a critical area of support and the focus is on the upside across the time frames and various structures as follows:

The weekly chart is compelling as per the M-formation. The price will typically revert for a test of the neckline, which in this case, is located near 152.40.

The daily support is so far holding up and zooming in, there are prospects for a test the upside as follows:

From a 4-hour perspective, the price could be destined for a test of the prior lows and the confluence of the 38.2% Fibonacci retracement of the prior bearish impulse. This comes in near 150.20. Should the resistance hold at this area, then the downside will be in play and a break of the dynamic support opens risk towards 149 the figure.