Do it with the other button.
Ie if you're going
, then do the Ya Otome input with
and vice versa.
Also the timing is not strict, at all. What you want to do is do the rekka input, let the stick go to neutral for a split sec, THEN do the Ya Otome input. The timing is identical to KOF2k1, if you've played it.
Either the 1st or 2nd hit of the Aoihana can be supercancelled. Its recommended to do the supercancel off
if you can help it as opposed to the
version as the
version won't connect cleanly in the open, while
will.