The Frontier Life of The Low-Class Ossan Healer And The Lovery Girl is a Manga/Manhwa/Manhua in english language, ACTION series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Reda Dixon, a 30-year-old F rank doctor who was retired due to his age. Out of desperation, he decides to move to the countryside village of Amurt in order to start life from scratch. By coincidence, he meets Mina, a little girl with blond hair, dressed in nothing but rags. She has no parents, so the good-natured Reda becomes her guardian. Thanks to Reda's healing magic, everyone in the village calls him "Sensei". Reda and his family solve problems together and strengthen family bonds. [GOOGLE TRANSLATED]