Faux Puff - Perfect Storm is recessive to Toyger - Blue.
Shabby Tabby - Overcast was just proven to be recessive to Toyger - Blue
here.
But we also know that Shabby Tabby - Overcast is dominant to Faux Puff - Perfect Storm (same page as the other proof).
If Faux Puff - Perfect Storm is recessive to Shabby Tabby - Overcast, and Shabby Tabby - Overcast is recessive to Toyger - Blue,
then
Faux Puff - Perfect Storm is also recessive to Toyger - Blue.