Following the incredible journey of YN Belladonna, a ten-year-old boy with extraordinary swordsmanship skills. YN's early life was marked by abuse from his adopted parents, until fate intervened when he was discovered and rescued by two courageous female royal knights. Little did he know, these knights were in fact his long-lost older sisters from his true royal lineage. As YN learns about his heritage as a prince of the powerful Lidibia Empire, he must navigate the complexities of his newfound identity while honing his skills as a swordsman. With his mother and sisters by his side, YN embarks on thrilling adventures, facing dangerous adversaries, and uncovering the truth about his family's legacy. Along the way, YN's courage, determination, and unwavering loyalty will be tested, as he embraces his destiny as the rightful heir to the empire while striving to protect those he holds dear.