That's the cover of the latest comic which is currently up for patreon supporters, so it's not in the img folder yet. I've fixed the search page to show the proper link.
Also, you weren't supposed to be able to comment on the high res version of this image (I moved your post here). Was there another bug in the site or are you a clever person?
It's like I imagine Allison insisting she won't give him a blowjob and him saying "OK, baby, just kiss the tip, all I want is to feel you kiss the tip, you don't have to suck it.". Reluctant at first, she tries to shy-away, but once the head makes contact with her lips, the hypno-magic effect of the collar takes over -- one innocent and tentative kiss becomes another less-tentative one which becomes a more-lingering one, before she knows it, the fat head is in past the perimeter of her lips, and then the shaft is thrusting in and out of her mouth, gently at first and only so far in so that her tongue can learn the taste of his manhood and her mouth become accustomed to its enormous girth, but stronger, deeper and more-insistent with each additional push, until he's savagely skull-fucking her mouth with the head sliding past her tonsils and deep into her throat where he ejaculates a titanic load of demon cum that she has no choice but to swallow in its entirety!