Ronan lived a wasteful life filled with regrets. A second chance befalls him at the end of his futil...
He was the greatest swordsman on the battlefield. He followed his general to fight these big ass statues. However once he defeated the last one he found out that there were more. During his last second the general transfers an orb that let her go back in time and confesses that this is her 3rd life. So he goes back in time and joins the academy because it was one of the things he regretted. Also there's a little bit of sis con but not too much. It's like a normal healthy amount