So Halu's post-Lolisyn group Psycho Predator went on indefinite hiatus a few weeks ago cuz Rin was too ill to continue (or something like that).
Anyway, Halu has gone solo now, under the name of
Diable Voix, and debuted today! She is releasing a 4-track single on 2017/06/15.
https://twitter.com/diablevoix