I Became a Renowned Family’s Sword Prodigy 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

Baek Woojin is the youngest son of a renowned swordsman family who has neither talent in swordsmanship nor an impressive Aura. Although he was dishonored by his own family and killed, he reincarnates as the owner of a Magic Sword. His only goal is the destruction of his own family.