TV-Series
Description
Ageha Kuki attends school as Yume Kuonji's classmate and is a wealthy heiress. She possesses silver hair, amber eyes, and stands 166 cm tall with measurements of 85-56-87 cm. A distinctive cross-shaped scar marks her forehead, consistent with a Kuki family birth tradition.

Her butler, Kojuro, constantly accompanies her. Ageha frequently responds to situations—rewarding or disciplining—by striking others, a behavior extending even to Kojuro. She demonstrates exceptional martial prowess: shattering boulders with her limbs, generating energy blasts through strikes, and leaping agilely from heights. Her combat style incorporates rigorous physical training, and she mentors others like Ren Uesugi and Kojuro in these techniques.

Ageha exhibits an arrogant, confident demeanor, often reacting with short-tempered outbursts. She makes grandiose declarations and shows a tendency toward violence, though underlying care for associates like Kojuro surfaces occasionally. She prefers kelp tea.

She develops romantic feelings for Ren Uesugi after observing his diligence and honesty. Their first kiss occurs when she substitutes a hand-kiss gesture with a lip kiss to symbolize Ren's loyalty, establishing this as their recurring ritual. Her affection intensifies, prolonging her stays to be near him, though familial responsibilities ultimately compel her departure.

Later, Ageha ascends to lead the Kuki Group, adopting global business conquest as her objective. To recruit elite martial artists, she orchestrates the KOS2009 tournament in Kawakami City, offering a ¥50 billion prize. She appoints Kawakami Temple members as enforcers to exclude her rival, Momoyo Kawakami, aiming to bolster the Kuki Group's capabilities, though results fall short of her ambitions. Under her direction, the corporation develops Cookie, an advanced service robot gifted to the Kazama family.

Her combat abilities remain formidable, rivaling Momoyo Kawakami—the only person to defeat her—in superhuman strength and durability. She analyzes opponents mid-battle, exemplified by pressuring Xiang Yu through observational tactics. As a martial artist, she ranks among the "Big Four," specifically designated "Ageha Kuki of the South."

Her family includes younger siblings Hideo and Monshiro Kuki. She maintains a mentorship dynamic with Momoyo despite their rivalry, reflecting mutual respect. While she often physically disciplines Kojuro, their longstanding association hints at deeper, albeit ambiguously defined, concern.

Her catchphrase is "Fuhahahahaha! Ageha Kuki have arrived!" Across all media, she remains a supporting character, never assuming a primary romantic role despite fan interest in expanded narratives.