[This story is purely fictitious]
80 billion years later, humans on earth will evolve together. Human beings are divided into four levels: S A B C and so on.
When the heroine Jiang Qie was 18 years old, she and her best friend signed up for FN, a talent selection competition organized by the Bureau of Investigation, and met Tan Yuanyi. The two went from strangers to teammates to rivals to colleagues to lovers.
Once when he was on a mission with Jiang Qie, Tan Yuanyi found that Jiang Qie's every move attracted his attention. Later he realized that he liked Jiang Qie, but Jiang Qie declared war with him every day. After thinking about it day and night, Tan Yuanyi made a series of plans, the first of which was to seduce Jiang Qie.
Jiang Qie found that Tan Yuanyi was very different recently. He frequently appeared in front of her without saying anything, and he was always "coquettish". Jiang Qie really felt that there was something wrong with this man.
The female protagonist is optimistic, strong and thoughtful, while the male protagonist is sunny, green and sincere.
Concept: The world 80 billion years from now, and the story of two S-class humans