あらすじ
After losing his beloved master Artesia, Kalts swears vengeance upon those who betrayed her. With every preparation complete, he activates his “return” and rewinds time—awakening in his ten-year-old body once again. Armed with knowledge from the future, he begins his calculated rise as the true mastermind behind the scenes. A dark fantasy tale of cold intellect, revenge, and destiny, where the boy who once served now becomes the puppet master of fate.