By style this looks to me to be work by faustie (Hentai foundry profile here, site here, and DeviantArt site here, although I am not completely certain. My proximate source:
My original tumblr post was here. Art by faustie. Original text:
(via bbstatdrawn)
Original post here. Sourced via divine-defilement. Original text:
Tentacle Monster Lust
Original post here. Sourced via divine-defilement. Original text:
Monster Lust
Original post here. Sourced via drawn=out-masturbation. Original text:
Sea Monster Lust
Original post here. Original text:
Tentacle Lust
Original post here. Original text “Whoops Copy by faustie.” Faustie’s commentary:
I imagined a blind sexpot stumbling into this disgusting mouthhead. i may color it at some point! mostly just playing around with painting in Photoshop. Still feels very weird to me.