Revenge of the Iron-Blooded Sword Hound 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

[By the studio that brought you , , and many more!] He was the hound of the Baskerville family: Vikir. Yet his loyalty was rewarded by the blade of a guillotine dirtied by slander. “I will never live the life of a hound slaughtered after the rabbit is caught.” In place of death, an unexpected opportunity awaits him. Vicir’s eyes glowed red as he sharpened his canines in the dark. “Just you wait, Hugo. I will rip out your throat this time.” It’s time for the hound to exact bloody revenge on his owner.