source?
oh my, what a shop - it's a pic from Purple Bonus - the red slime girl.
Nope, it's not from there. I just can't remember where right now. here's an image from there though
Source is MACXE'Shttp://mcxes-seres.kir.jp/macxes/top.htmArtist's kink is brainswashing by rubber encasement.