This is pretty much the same input as Akira's instant double palm.
Jann Lee has a while rising move mapped to 46P (Dragon Knuckle) which you can execute with 463P thanks to the generosity of DOA's input leniency.
If you can't do it, try executing 46 reasonably fast (no need to go back to 5...
In DOA5LR, you can lie on the floor in 4 different ways:
- face up+feet to foe
- face down+head to foe
- face down+feet to foe
- face up+head to foe
During those 4 ways, every character (with the exception of Alpha-152) can universally Rise in 5 directions.
Back:
- invulnerable to Ground...