Possible UJ Seasonality opening bell will play scenario 1 and other if JPY overpowers GBP then UJ seasonality will be postponed.
Examples on how this may play are visible earlier around August 9 and 13, see the tag numbers 2 and 1 respectively.
GBP is likely going to strengthen a bit more while JPY is devaluing, leading to a mini crash of JPY which is causing GJ to rally up.