"Kite" is a dark and gritty anime series set in a dystopian urban landscape, revolving around themes of revenge, corruption, and moral ambiguity. The protagonist, Sawa, is a teenage girl who becomes entangled in a life of violence after her parents are brutally murdered. Orphaned and left vulnerable, she is taken in by Akai, a corrupt police detective who exploits her trauma to mold her into an assassin. Under Akai's guidance, Sawa is trained to eliminate targets, often criminals or individuals involved in the underworld, while grappling with her own emotional scars and the blurred lines between justice and vengeance.

The narrative unfolds as Sawa carries out her missions, each one revealing more about the corrupt systems and individuals controlling the city. Her encounters with various targets and allies expose the depth of her psychological struggles, as well as the moral compromises she must make to survive. A significant subplot involves her relationship with Oburi, a fellow assassin and childhood friend, whose presence adds emotional complexity to her journey. Their bond is tested as they navigate the treacherous world they inhabit, with Oburi serving as both a confidant and a reminder of the humanity Sawa risks losing.

As the story progresses, Sawa uncovers unsettling truths about Akai's motives and the extent of his manipulation. The series delves into her internal conflict as she questions her role in the cycle of violence and seeks to reclaim agency over her life. The climax centers on her confrontation with Akai, revealing the full scope of his betrayal and forcing Sawa to make a decisive choice about her future. The series concludes with an open-ended resolution, leaving Sawa's ultimate fate ambiguous but emphasizing her struggle for redemption and self-determination.

The characters are defined by their moral complexity and the harsh realities they face. Sawa's evolution from a victim to a hardened yet conflicted assassin drives the narrative, while Akai's manipulative and self-serving nature serves as a counterpoint to her journey. Oburi's loyalty and vulnerability provide a humanizing contrast to the otherwise bleak and violent world. The series explores themes of trauma, exploitation, and the cost of vengeance, presenting a stark and unflinching portrayal of its characters' struggles.