Shin is a powerful Magic User and elite “Cleaner” working for the En Family. Known for his calm, laid-back attitude, he contrasts sharply with his brutal fighting style, using his dismemberment magic and a claw hammer to defeat enemies. Born in the harsh environment of Hole as a half-human, Shin developed his strength through trauma and survival, including performing surgery on himself to unlock his magic. Despite his violent profession, he values loyalty and partnership deeply.