Humankind has almost reached extinction. Only one male remains, with two females and a human-like catgirl. Of course, the labor now is to repopulate Earth, so the male has to do his job. But along ...

A colony on Mars will fail as a back-up plan after a catastrophe on Earth. It is hard to see how it could repopulate Earth with a significant number of people. Returning to Earth from space is a ...