TV-Series
Description
Cynthia Duval, known as Hikari Kamijou in the original version, serves as the main protagonist of her rhythmic gymnastics series. This 14-year-old second-year student at Aikoh Academy possesses a passionate and determined personality, channeling her natural athletic talent despite her petite frame. Her appearance features wild, unkempt hair frequently secured in a tomboyish ponytail, deep blue eyes, and a signature preference for hot pink clothing and performance leotards. Defined as a "Passionate Sports Girl," she trains rigorously with Olympic dreams.

Hailing from a middle-class background as an athletically gifted ordinary girl, she lives next door to childhood friend Mao Natsukawa, establishing an early connection. Her journey ignites after idolizing Bulgarian Olympic gymnast Diliana Georgieva, whose posters fill her room. This admiration leads Georgieva to personally recommend Cynthia for training in Bulgaria, launching her elite career.

Cynthia's development focuses on relationships and athletic growth. Initially, she grapples with insecurity and feelings of being second best compared to rival Hazuki Shiina, Aikoh Academy's top gymnast. This evolves into a supportive, friendly rivalry where they compete for athletic honors and the attention of male gymnast Takaaki Ooishi. Cynthia embodies the "Performer" style, emphasizing artistic flair against Hazuki's technical precision, and demonstrates significant skill progression through dedicated training.

Romantic entanglements form a key narrative arc. She develops feelings for mentor Takaaki Ooishi, sharing a connection through sports, yet remains oblivious to Mao's longstanding affection, creating complex dynamics. The narrative resolution diverges across media: the manga concludes with her realizing love for Mao, while the anime adaptation shifts to a romantic conclusion with Takaaki.

Her personality blends exuberance and impulsiveness, sometimes attempting risky moves against coaches' advice, reflecting a blend of Sanguine liveliness and Choleric boldness within the ensemble. Conflicts emerge from her strong fascination with Bulgarian culture, sparking rivalries with gymnasts like Maria Lenova and Elena Berkova. Throughout her story, her meaningful name Hikari ("light") symbolizes her radiant impact on the sport.