Transmigrated into the Male Lead's Dark Moonlight [Quick Transmigration]

In romance novels, the rich, handsome male lead always has an ex-girlfriend, ex-fiancée, or former crush whom he hates for the rest of his life. They're rich, beautiful, and terribly spoiled. Gu Jun's mission is to become the male lead's hated ex, mercilessly abandon him when he's down on his luck, and then retire once the job is done. She can sit back and wait for the heroine to become a ray of light in his darkness, save him, warm him, heal him, and help him climb back to the top. But... She looked at the male lead, who had already turned completely dark and ruthless at the very start of the story, and her vision went black. She felt like she was the one who needed saving! QAQ World One: [The Movie Star Kept by Rich Women] The movie star male lead is caught in a scandal involving several rich women keeping him. At this point, she's supposed to break up with him, kick him while he's down, and make sure he gets dragged across the internet for cheating. But on the night the scandal breaks, the movie star's identity as an undercover police officer is exposed, and all the rich women are arrested and sent to prison. The movie star smiled gently and asked, "Junjun, what were you about to say?" Gu Jun, who'd been planning to kick him while he was down: "..." An... undercover cop? World Two: [The Fake Young Master Switched at Birth in a Wealthy Family] The male lead is the fake young master of a wealthy family. She has the role of his fiancée and is supposed to join forces with the real young master to bully and mock him, then dump him in front of everyone on the day he's thrown out of the family. But on the day the fake young master leaves, a line of luxurious starships arrives to pick him up. A group of stern-faced, black-clad men with tattoos on their arms shout in unison, "Young Master, the boss sent us to bring you home!" The fake young master turned back with a knowing smile. "You want to break off our engagement?" The men all looked at her, their eyes cold, hands poised to draw their knives. Gu Jun, who'd been about to mock him, choked on her words: "..." Help, since when was he a young master of space pirates?