Rio Tsukatsuki is a student at SRT Special Academy in the mobile game and anime series 'Blue Archive.' Known for her calm and analytical demeanor, Rio serves as the leader of the RABBIT Platoon, displaying exceptional tactical skills and a strong sense of responsibility. Despite her young age, she often acts as a guiding figure for her teammates. Her steadfast character and leadership qualities make her a key figure in the story, contributing significantly to both combat and strategy.