continuity error
This tag is used when either a post with multiple panels or two or more related posts unintentionally don't match up with each other in some way.
Examples
One panel features the bottom's foreskin having been retracted while another features the same foreskin being partially retracted instead.
At the end of the first animation, Guilmon's cum escapes Renamon's pussy after he pulls out his now flaccid, cum-dripping penis. But at the beginning of the second animation, Renamon's pussy is leaking out cum yet only precum appears on Guilmon's penis, which goes from erect to flaccid instead of being soft from the start when he's fallen asleep.