Genichiro Sanada received an unsigned express delivery. He first asked his friends if they had written the wrong delivery address.
After getting a negative answer, he called the courier company, but the reply was that the courier was sent to him.
Finally, the box was delivered to the police station.
Unexpectedly, when he returned home, the box appeared directly in his room, with an additional note on the box.
But this isn't a cursed box from a horror movie, is it?
(I have a lot of ideas, so I'll put a copy here first to avoid forgetting)
Purpose: Exercise shows should get you excited