Sanae Dekomori

Acting as a devoted underclassman to the club members, this energetic student shares Rikka’s delusions of grandeur. Though she identifies as Rikka’s loyal servant, she secretly harbors ambitions to usurp her master's position. She fights using "Mjolnir," a specialized pair of hair nunchucks, yet her eccentric persona masks a brilliant academic performer. Despite her wealthy background and mysterious family ties, she remains a top-ranking student who balances her whimsical fantasy life with impressive real-world intelligence.