Happy Halloween!

Poor Mami, she's having Flashbacks

... I couldn't tell which characters those two girls were supposed to be until the last page.

Literally 2spooky.

Have you ever seen this doujin? Or this author?
https://touch.pixiv.net/member_illust.php?mode=manga&illust_id=65765674&ref=touch_manga_button

... I couldn't tell which characters those two girls were supposed to be until the last page.

You can tell by their clothes.