A Cannon Fodder in a Harem Novel [Quick Transmigration]

Zhuo Xu was an evil ghost who had wandered through the dark realm in a daze for countless years. Then he was suddenly bound to a System and tasked with finding a way for the original host to save himself. In every world, there was a beloved darling of heaven, someone countless people adored and cherished, someone they were willing to give everything for. And the original host was the beloved darling's cannon-fodder older brother, a mere tool. His sole purpose was to highlight just how adored the beloved darlings were. In the end, he always met a gruesome fate... In the various worlds: Parents: "Your younger brother may be our adopted son, but we love him more. The family business will all be his!" Scumbag: "I'm only with you so I can get close to your junior!" Master: "I'll cripple your cultivation and dig out your spiritual core to save your junior. It's worth it!" ...Zhuo Xu smiled. "Go to hell!" Before long, Zhuo Xu felt that something was off about the plot. His adopted younger brother offered him assets worth tens of billions. "You can have all of it!" His junior kicked the scumbag aside. "Senior, this guy's trash. Don't hang around with him!" His junior held out a spiritual core. "Senior, this is Master's spiritual core. Take it to replenish your strength!" The System issued a warning: Don't you think the beloved darling's gaze is kind of strange? Zhuo Xu looked over. The beloved darling smiled brightly. Zhuo Xu was satisfied: What a good little brother! [Important: One-on-one romance. In every world, the top and bottom are not on the same household register and are not related by blood.] A friend's ongoing story recommendation: I Drew a God Card in the New World There was a volcanic eruption the day before yesterday, a pileup today, and who knew what accident or disaster might happen tomorrow? People kept remarking that accidents were happening more and more often. But most people had no idea that these so-called disasters were just a cover. The deaths had other causes. Behind it all stood a group of people protecting them, unsung heroes working behind the scenes. Lin Dian was one of them. Only, this hero had a cheat ability. In the new world, people used cards as a medium to draw on the abilities depicted on them and become guardians of the world. Because of his condition, Lin Dian was abandoned at an orphanage. Later, his family brought him back as an illegitimate son to serve as a "mobile blood bank." By chance, he got a card-drawing System. Other people drew one card at a time; he drew a whole bunch. Other people had terrible luck; he was a walking lucky charm. Other people had only one unique card; he had countless copies and could even give them away. And that wasn't all. He even dragged the gods down from the heavens... His childhood friend had been born with paralyzed legs and grown up in a wheelchair. Lin Dian gave him a [Spider Mutation] card. "Now that you've lost both legs, you'll have eight in the future!" His mentor's card was damaged, and a damaged card could cost its owner their life. Lin Dian pulled out a box of card sleeves. "Don't mention it. Just pick one to replace it." A lucky card draw gave him a pure white [Divine Descent] card. Looking at the ethereal, graceful god, Lin Dian couldn't help wanting to keep him bound to the mortal world. Theme: Care for the little ones, and cherish the beautiful life.