Mystery: Starting from Time Traveling to Become an Assassin

Li Yi, an office worker, passed through the body of a dead man in his sleep. After a wonderful encounter, he obtained a card with magical powers. Later, in order to survive, he had to choose to do things he didn't like for a boss he didn't like. However, as he gradually became stronger, he found that things had turned around. Mysterious fanfic, the protagonist assassin has mixed paths, weak golden finger (sexual transformation)