This novel is also titled The Villainess Gets a Happy Ending with the Male Lead in Every World. A sweet 1v1 romance where the heroine is doted on by the male leads in every world until she can't even bring herself to be mad at them.
When Ying Shixuan was bound to the System, it told her to bully the heroine and cling to the male lead. She thought, That doesn't sound very nice. So she turned her attention to the more innocent male side character instead.
[World One: Wealthy Family]
She pours the red wine meant for the heroine onto a handsome stranger from a prestigious family, thinking an apology will be enough to put the whole thing behind them. But he keeps showing up in her life, coming to her rescue again and again.
[World Two: School]
The nasty little notes she writes every day are supposed to go to the male lead, but her transfer-student deskmate intercepts them every time. He gives her a wounded look. “Why do you write them to him and never to me?”
[World Three: Immortal Cultivation and the Divine Realm]
She sneaks into the divine realm disguised as an emissary and loudly tells a god with peerless looks that he's ugly. She expects him to slap her into dust, but instead he leans his face toward her. “Take another look. What part is ugly? I'll fix it.”
[World Four: The Martial World]
She's the best swordswoman under heaven and loves nothing more than teasing pretty young men. Her reputation is rock bottom. One day, she rescues a weak scholar and teases him for good measure. She expects him to avoid her afterward, but instead he clings to her.
[World Five: Infinite Flow · The Sinking Cruise Ship]
Horrors descend upon the cruise ship every night, but she remains unharmed. There's an NPC in the scenario who falls in love with her at first sight every day. She doesn't know why he keeps losing his memory. Only when the ship sinks deeper and deeper does she finally learn that there's a machine aboard that devours people's desires, and every day he makes a wish, trading his memories for one peaceful night for her.