I and Others Are Very Tough in the Backstage of the World, Welcome to Come and Hammer Me

[Extremely slow-heating type] [Multiple protagonists and the protagonists are male and female, but please be assured that each protagonist is either a female protagonist or a male protagonist. ] [As for every protagonist not having a female protagonist or a male protagonist, it is impossible. Please do not come to the author to discuss it after reading the book. After all, I set the protagonists to be geniuses and strong men. Do you think that with so many children with excellent genes, the country will not let Yue Lao arrange a partner for each of them? ] [Also, this book contains psychic technology, and various strange items created by the combination of supernatural and technology. ]