If they continue to follow the LN as well as they have so far then it’s probably in the ballpark. Hard to say as the manga is going a bit slower, so a chapter of the LN sometimes becomes 2-3 manga chapters, sometimes just 1.I’m guessing 4-5 chapters until we see the stalker’s face.
Report ur own comment, just say "please delete my comment" or something like that, n wait for the admin to erase it...Lads how do you delete your own comments ;-;