A girl name Sai, whose father was the mayor of their city, she was studying on the big university on their country, she was 4 years old since her mother suffer. A year before when she was 5 years old she was lost in the dark forest full of snow, she met Kai the unknown boy who lives their he is 18 years old already while Sai was 5, he help Sai to get out of the forest. A year later and so on Sai and his father left the city and go to another city when she grew up on 15 years old her father die because of the bacteria, she go back home where she met Kai, she come back to the dark forest. She wait for Kai, before she got outside of the forest they make a promise, that promise everytime Sai will called Kai name, Kai will always arrive, but when he called Kai name he never come back. She taught that Kai was already dead because of something.
5 parts