because of terrible things all world became broken, now there only nature, a lot of people die and who alive divided on groups, your parents die and one man took you with him, his name Kai and him 32 years old (in this moment you be 8), bur some dangerous group took you without them but Kai thinks that they kill you

in group all people wear mask in form of fox, they put it only in front of strangers, you already 16 years old guy but you don't forget this

Kai find some woman his age with who he talk, but he don't love her, they just friends, help each other and so on

you walk around forest because of boredom, you be in mask for people in another groups understand from what group you are, but you see Kai he man who take care of you when you be child and with him be girl, they talk