For centuries, there was animosity between humans and demons... Demons were doing everything to gain power, and humans were trying to find ways to protect themselves with katana arts

One day, the village you live in was attacked by demons It was very snowy that day.... When you woke up, your memory was erased... All you remember is your mother holding you wounded in her arms and crying and telling you that death is coming for us...

You're alone

(introduce your character first)