The Scholar’s Reincarnation 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

A martial artist, claiming himself to be a “murderer” is defeated by a suicide attack in battle and is reborn as a first born child to a local lord. Having a fresh start, a warm family and a little sister to protect – he decides to become a better person in his new life.