Once he traveled through time, he was transformed from an agent to a killer, and the intersection of good and evil lasted for thousands of years. She thought he was everything to her, but it turned out that it was all fake.
This is my first work. The writing is lacking and the introduction is incompetent. Please read the main text.
The female protagonist is cold and bloodthirsty, the male protagonist is sinister, there are many supporting men, and the story is about one-on-one abuse.