Orc no Naedoko ni Ochitakedo Aisare Sugite Chou Shiawase desu!

The prince who married an orc spends his days happily, receiving adoration from his beloved every single day. In order to support the person who loves him wholeheartedly, he decides to study magic. While he is reading, the orc happens to look over his shoulder and see what is written in the book he has chosen - "How To Get A Male Pregnant". "You want children?" the orc asks. "Yes", he answers, with no hesitation. And so began their wild, ahegao-filled baby-making sex! [Official English Translation](https://www.dlsite.com/bl/work/=/product_id/RJ01033988.html)