I don't understand why this happens, but it only happens with the uniform and turtle outfits. It also happens in the spoilerish version.
https://vimeo.com/1169599629?share=copy&fl=sv&fe=ci
Ahh... I still don't get it. Because when I was cursed the first time (since I was using a new savedata at the time), the letter didn't appear at home.
One question, is Nick Kramer Kunio's father? I forgot where I found his full name, but it was in phone chat when I was looking for the Evergreen security room code.