Boukensha ni Naritai to Miyako ni Deteitta Musume ga S-Rank ni Natteta

After losing his leg as a newbie adventurer, he retired and returned to his hometown in the countryside. Doing things such as collecting medicinal herbs, exterminating magic beasts and wild beasts, and helping with the villagers farm work, its hard to decide whether to call our protagonist an adventurer or a handyman. And while doing these things his age quickly approached thirty. One day while searching the mountains for herbs, he discovered an abandoned child. Thinking that he couldnt just leave it, he took it home and raised it until his age approached forty.