Ritsuko Kübel Kettenkrad presides as Student Council President at Rikkyouin Academy, an elite institution where leadership is randomly assigned via lottery. Born to a German nobleman—a CEO of a prominent corporation—and a Japanese mother, her mixed heritage solidifies her standing as an authoritative, respected figure within the academy’s hierarchy.

Renowned for her extraordinary luck, sharp intellect, and unmatched leadership, she is celebrated among the academy’s most adept presidents, wielding charisma and tactical brilliance to navigate challenges faced by prospective council candidates. Her childhood bond with Chihiro Enomoto, the series’ protagonist, extends into their shared neighborhood residency, anchoring her poised demeanor in a personal history.

Tasked with orchestrating rigorous trials for incoming council hopefuls, her elaborate assignments frequently spiral into high-stakes spectacles involving espionage, robotics, or other unexpected twists. While her commanding presence dominates public perception, subtle exchanges with Chihiro reveal traces of their enduring private camaraderie.