answered:
OH MY HOD…nepeta winds up on earth C via shenanigans and nobody knows but karkat is like. “hey check out my fav graphic novel the artist is doing a book signing” and he goes and it’s fucking nepeta who looks at him and says “:33 i see u like my ocs bitch”
considering how oblivious KK is, he probably didnt realize the graphic novel was probably about their session but with more shipping despite his expy being named varkat kantas