What the fuck is #SilverFoxSniffSniffChallenge?

This isn't the only piece attached to that hashtag, but I can't for the life of me figure out what it refers to or where it came from

ygm_1 said:

What the fuck is #SilverFoxSniffSniffChallenge?

This isn't the only piece attached to that hashtag, but I can't for the life of me figure out what it refers to or where it came from

is she not a sniffer? The "challenge" is only for artists to draw her in scenes where she is sniffing anyone and anything?

Котенок said:

is she not a sniffer?

Also post #3156891, where Tanaka Kusao says in the commentary that Silver Fox has a smelling fetish (I don't know why though).

poppoko said:

Also post #3156891, where Tanaka Kusao says in the commentary that Silver Fox has a smelling fetish (I don't know why though).

Speaking of which, I checked Twitter and it seems he's the one who made the challenge tag in the first place (Only a handful of people have joined in)