Rithly Charon, an 18-year-old trainee Armed Librarian at Bantorra Library, sports dark-blond hair and blue eyes. He wears the standard blue uniform with a white collared shirt, choosing shorts over pants, paired with white knee-socks and polished brown dress shoes. Under the guidance of Kyasariro Totona, a second-grade Armed Librarian, he refines his combat expertise, displaying talent that surpasses his junior rank.

His signature rapier channels shockwaves in combat, blending precision with raw force. Outside duty, he cultivates practical talents in cooking and gardening, balancing martial rigor with quiet domesticity. Following the Cerulean incident, his rapid promotion to full-fledged Armed Librarian within a year underscores his unwavering dedication and evolving mastery of the library’s lethal arts.