World of Raek 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.nl fastest updating comic site. The Summary is

During an attack in his province, Inyuga Riyek- a child of two renowned heroes,- experiences the haunting tragedy of failing to save a life. -Losing his dominant hand in the process, and entering a year-long coma. When he awakens, he must relearn to live, but most importantly, he must learn to cope with the trauma of his failure, and adapt to the high-bar expectations of his peers due to his bloodline.