I Become a Big Shot in Showbiz - Chapter 298 - Busy with Something

That night, when a Kryptonian spacecraft with a baby fell on Mike Kent’s farm, when he decided to adopt the child, and the golden finger that traveled through was activated, he knew that his life was about to change.

Superman Clark Kent, Professor X Charles Kent, Magneto Eric Kent…

When he became the father of these people, the strongest family was born!

- Description from novelbuddy

This book is about baby-making.

Feng slowly backed up to the door, “W—what’s up with you both?” Two tall blond men stalked closer and caged her in the corner, “Aiden, Ethan, you both are too—too close,”

Another entry in what you can call the Proto Harem Series: the books written before the Harem Series that take place in the same world.

It’s about a swordswoman whose student is captured, so she goes to rescue her.