How to Pretend to Be Deeply in Love During Quick Transmigration

His only task is to make other people believe that he is deeply in love with someone. First world: The emperor and his bodyguard are mutually in love, but then the bodyguard loses his memory, and the emperor thinks he is dead. Second world: A movie star thinks his love is unrequited, only to discover that the other person might like him too. Third world: The sect leader raises his junior as if he were his son, but everyone gradually realizes the sect leader must be in love with him. Fourth world: After dying from campus bullying and becoming a ghost, he discovers that the person he thought was the culprit is helping him get revenge. Fifth world: Why does our investor like the chairman of our club's sworn-enemy club? Aren't you supposed to be mortal enemies? Sixth world: Everyone watching the livestream knows you like me, but I have no idea. Seventh world: A divine beast that awakens after the spiritual qi revival falls in love with a soldier. Warnings: Since the settings are different, each small world's writing style is different. The worlds may not be written in order. Every small world is pure romance. The setting is an organization, where any employee might take on a mission, so this story has no main character in the usual broad sense. Theme: Writing whatever comes to mind