Film and TV Crossover: I Am the Unrequited Love System

(Signed contract. Original work!!! No copying, stealing settings, or anything else!) [System + crossover quick transmigration + invincible protagonist + comedy + no romance for the protagonist + putting scumbags in their place + feel-good story] (The protagonist has no romantic pairings, only different Hosts and partners.) Gu An is a university student living an ordinary life. Then one day, he is hit by a car and sent into a space ruled by the Main God. He signs a contract with the Main God and becomes a Regret System. His job is to help protagonists and supporting characters across the Myriad Worlds avoid tragic endings. And so he becomes a contracted Regret System, bonding with all kinds of Hosts to resolve the regrets left across the Myriad Worlds! * Guardian (working solo) Gu An: “Host, your target has appeared.” Zhao Yunlan: “Oh, that's him? He's quite handsome!” * Love and Redemption (working with the powerful Ying Yuan) Gu An: “Lord Ying Yuan, this...” Ying Yuan: “Leave saving the world to me.” * Mysterious Lotus Casebook (working with the powerful Ying Yuan) Gu An: “Lord Ying Yuan, this...” Ying Yuan: “Don't worry. Leave it to me.” * Immortal Samsara (working with the powerful Ying Yuan) Gu An: “Lord Ying Yuan, this...” Ying Yuan: “I've died hundreds of times already. I know this world well.” Gu An: Then I can coast to victory. * The Untamed (working solo) Gu An: “Host, your target has appeared.” Lan Wangji: “...” Gu An: Sigh, no powerful ally to carry me. I'll have to work hard on my own again. * Mysterious Lotus Casebook (working solo) Gu An: I'm Li Xiangxian's System. (A darkened Li Xiangxian dotes on his younger brother, with a plan to wreck everyone.) * Till the End of the Moon (working with the powerful Demon God) Gu An: My Host is a lunatic powerhouse who goes around wrecking everyone on a daily basis. * The Journey of Flower (working with the powerful Demon God) Gu An: As usual, my Host goes around wrecking everyone. Xuan Yin: I am a god. My specialty is wrecking everyone. * Eternal Love: I am the Emperor. Who dares defy me? * Love and Redemption: I'm Luo Hou Ji Du's System * Word of Honor: I'm Wen Kexing's System * Ashes of Love: I'm Run Yu's System * The Untamed: I'm Wei Wuxian's System