Male lead's POV, multiple worlds, 1v1
Dear villains, are you suffering because your destined endings are impossible to resist? Sirius has heard your pain. Give me your hatred, and I'll grant you a new life. I'll help you take revenge on those who made you suffer and make them understand your pain.
(A silly, sweet villain System and the authors and Hosts who love and hate each other.)
First world
The sweet-romance author and his villain (in progress)
Sirius: Want me to get you a wife?
Gu Wei: Not interested.
Later
Gu Wei: My wife.
Xie Liyu: ...
The xianxia author and his villain
The insect-world author and his villain
Ongoing...
(The author's a beginner. It's a fluffy, sugary romance with no angst.)