TV-Series
Description
Hinagiku Kayō is the central figure of Agents of the Four Seasons: Dance of Spring, serving as the long-lost Agent of Spring. She is a girl of approximately sixteen to seventeen years of age, with long, curly orange hair and citrine eyes. Her appearance is often described as lovely, and she wears a distinctive outfit that blends elements of traditional Japanese and Western clothing. She resides on Ryugu, the southernmost island of Yamato, but travels across the land to perform her duties.

For nearly a decade, Hinagiku was absent from the world, having been kidnapped when she was only six years old by a radical anti-agent organization known as Kasai. Her disappearance caused the season of spring to vanish entirely from Yamato for ten years. During her captivity, which lasted about eight years, she was subjected to severe mental abuse and brainwashing, including being forced to use her powers to cultivate plants. This trauma left deep psychological scars, most notably manifesting in a stutter that causes her to speak in short, fragmented sentences. She also refers to herself in the third person, a habit that developed as a result of her ordeal.

Despite her fragile and shy demeanor, Hinagiku possesses a profoundly kind and pure personality. She is deeply empathetic and cares for others, often putting their needs before her own. This is demonstrated early in her journey when she encounters a young girl named Nazuna, who has no memory of spring after a decade without it. Moved by Nazuna's feelings, Hinagiku decides to perform the seasonal ritual at her mother's grave instead of the designated location, showing her commitment to helping others on a personal level. Her core motivation is to fulfill her role as the Agent of Spring, to bring the season of rebirth back to the land, and to protect people from the suffering caused by its absence. She is determined to reclaim the time that was stolen from her and to prevent the same tragedy from happening to anyone else.

Her role in the story is intrinsically tied to her relationships with the other agents and their guardians. Her most significant relationship is with Sakura Himedaka, her loyal guardian and childhood friend. Before her kidnapping, Hinagiku lived in isolation and was ostracized by her village until she befriended Sakura, who had come to steal peaches from her family's orchard. Their bond is the emotional anchor of the story, with Sakura serving as her protector and a source of stability as Hinagiku works to heal from her past trauma. Another pivotal connection is with Rōsei Kantsubaki, the Agent of Winter. Hinagiku developed a crush on him during a childhood ceremony, and her feelings for him have persisted over the years of her absence. It was to protect Rōsei, along with Sakura and another ally, that Hinagiku chose to be taken by her captors.

Hinagiku begins her character development in a state of profound vulnerability, struggling with the psychological aftermath of her imprisonment. As the story progresses, she takes gradual steps toward being reborn as an agent, drawing strength from her bond with Sakura and her own sense of responsibility. Her journey is not just about restoring spring to the world but about her own internal process of healing, learning to trust again, and reclaiming her identity and purpose. She confronts her fears directly, choosing to cooperate in stopping her former captors rather than remaining paralyzed by anxiety.

As an agent, Hinagiku possesses the unique ability to promote life. This power allows her to control and accelerate the growth of plants. She can use it for peaceful purposes, like causing flowers to bloom and melting snow to restore spring, or defensively, such as growing thick vines to block an enemy's path or using tree trunks as a weapon. A notable limitation of her ability is that she cannot create plants from nothing; therefore, she always carries a small bag of seeds hidden in her kimono sleeve. The mark, or stigma, that signifies her role as an Agent of Spring is located on the nape of her neck and takes the shape of a cherry blossom.
Cast