Chika Fujiwara

藤原千花

Chika, the unpredictable secretary of the Shuchiin Academy student council, is a chaotic force known as __Subject F__. Initially driven to perfection in piano by her family's expectations, she eventually quits after realizing her true desires. Her journey leads her to challenge Kaguya to a game battle, resulting in a friendship that marks a significant turning point in her life.