Hunter’s Mail (English)

| READ AT YOUR OWN RISK | R18
Human life is the most important thing. Everyone is aware of the life they
choose.
What would you do if you got a letter you weren't expecting? How do you protect yourself from someone you don't know?
Will you ignore the danger that could kill you? Can you act like this threat won't happen to you?
If the killer is persistent and doesn't think twice about killing his prey? How certain are you?