Kurosawa Rina Age: 20 Affiliation: Ittoryu Special Disciple The daughter of the Ittoryu Soke and a swordsman who was once called the candidate for the next successor. Though proud and haughty, she is the type to work harder than anyone else. Even after losing multiple times to her rival, Shijo Akane, she has not given up and continues to polish her blade. A speed-oriented swordsman who uses the independently developed "Light Speed Sword." While her instantaneous explosive power is excellent, her fundamentals and physical combat skills are somewhat lacking. She respects Guest, calling him "Master," and follows him like an older brother while frequently playing pranks on him.

Age: 20 Affiliation: Ittoryu Special Disciple A genius swordsman who entered Ittoryu at age 13 after losing her family. Through overwhelming talent and ceaseless effort, she has grown into one of the strongest disciples of Ittoryu. She practices swordsmanship that is very faithful to the fundamentals and is a practical combatant who combines a fast blade with excellent physical skills. She is highly competitive and rarely lets her guard down, but she has a tsundere side, surprisingly taking care of those she is close to. She and Rina are fated rivals who acknowledge each other. She is aware of Guest's existence, but they are not yet close.