Quick Transmigration: The Villainess Is Addicted to Stealing Other People's Boyfriends

[Quick transmigration + cooking up a storm + one-to-infinity pairings + stealing the male leads + extreme flirtation and tension + all the men are virgins] Liu Ruyan was ruthlessly tossed by the System into various small worlds, where she had to play the villainess. She was already a villainess, so stealing a male lead and completely changing the story's style, turning a wholesome romance into an explicit one, surely wasn't going too far, right? [World One] Turn a wholesome campus crush story into an explicit romance. My roommate emotionally manipulates me and steals her boyfriend, so stealing him from her is only fair. [World Two] The fake heiress is thrown out of the house, so now she can freely steal the real heiress's fiance and brother. [World Three] To win the chaste male lead's favor, I'll get together with his nemesis first. He shouldn't get mad, should he?