The Twin Swords Of The Sima Clan 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

“The head of our family is foolish person,” thought Jawun-yeop, the servant of the respected sage. A foolish master, who plays around by his mistress, Chang sanmi and an upright man, Seolsu Beom, stand in stark contrast as the prince. “Seolsu Beom, with his upright character, is the most formidable person I’ve ever known!” Caught stealing, he faced severe scolding and disgrace, but Jawun-yeop ends up aiding Seolsu Beom against Chang sanmi’s plot “But as the eldest son of the Kamseuk Clan, I can’t just stand by and watch.” “I will grow stronger than I am now and deal with of them all.” Determined to seek revenge on Chang sanmi, Seolsu Beom sets out to gain strength, while Jawunyeop leaves the seol family to follow his own path. “Living life once, I’ll no longer be an orphan or a servant, but live as a transcendent being.” “Freely and with pride, I will roam this vast world.” Practicing his unique martial arts through mystical methods, Jawun-yeop becomes a master, getting closer to the mastermind behind the plot at Kamseuk Seol House. One day, Jawun-yeop and Seolsu Beom reunite. Jawun-yeop is astonished to see Seosu Beom’s martial arts. “As the eldest son of a prestigious family, you use this kind of swordsmanship!” The man who once criticized him was now walking the same path of martial arts as him!