It’s in reference to the authors other work “kiss me and butt fuck me” or something like that, if you scroll in other works you can see it and the blonde seme in this cover is the brother of the other blonde seme of the kiss me one. You’re gonna have to read it if you want more context
Grayson was a fucked up little kid, he lowkey was also the reason why Koi, their Omega dad wasn't able to parent them well. But he's genuinely just trying to "help".
So it started. They finally released the story of the brother who lied about his little brother having sex with a dog. Awesome