Reiko Kobayakawa's full name is Natsume Reiko.

Gui Zhi's grandmother was born in Taurus on May 6th, 2005. He died at a young age, and the maker of his friend's account has extremely strong spiritual strength. According to Gui Zhi, she is the mother of Gui Zhi born out of wedlock. Reiko Kobayakawa is called a liar by those who don't believe there are monsters in the world, because she can see monsters. She was bullied, but she went her own way. Although I say I hate human beings, I really long for human friends. A cheerful girl, with a touch of sadness, warms the hearts of monsters in her own unique way.

According to the monsters, they are very powerful, they can fight bats, and they can use array methods to defeat many powerful monsters.