異世界では子どもができるとわかり、浮かれポンチになった僕がワンナイトラブしてみた話 (Associated Names)

I was an average salaryman when a pre-marital checkup revealed that I was infertile, and my engagement was called off. I was perplexed by the situation, but a few years later I was transferred to another world for some reason. There are beastmen and second gender in this in this foreign world, where even a…