When the Agent of Spring, Hinagiku Kayo, is abducted, spring itself vanishes—plunging the world into unending winter. Refusing to give up, her devoted guard, Sakura Himedaka, searches for her for years. When Hinagiku suddenly returns, the two set out to restore the lost season, face the past that tore them apart, and reclaim the warmth they refuse to lose again.
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Hinagiku and Sakura confront Misuzu, and their pasts, head-on.
Ruri, Ayame, and Rindo face Kasai in a battle to get Nadeshiko back.
Ishihara holds Rosei and Itecho at gunpoint, revealing her own past and the full scope of Kasai's attack.
Hinagiku and Sakura are waiting to meet the Winter duo at the Agency when the building comes under attack.
Hinagiku recognizes Nadeshiko's kidnapper, and the newly united Agents finally identify their enemy.
Rosei resolves to take action and contacts Sakura, only to get the last response he expected.
In the aftermath of the latest attack, Rosei relives his past with Hinagiku and their violent separation.
The young Agent of Autumn and her Guard go about their lives in a high-tech fortress.
Sakura reflects on her reunion with Hinagiku and the challenges they overcame to begin their journey.
Hinagiku and Sakura approach the Village of Spring, recalling painful memories.
Insurgents attack the Agent of Summer's home. The two Guards fight back.
Hinagiku and Sakura go to stay with the Agent of Summer and stumble into a sisterly feud.
The return of spring arouses painful memories and conflicting feelings in the Agent of Winter.
Ten years ago, the balance of the seasons was broken. Now two girls set out to return spring to a frozen land.
When the Agent of Spring, Hinagiku Kayo, is abducted, spring itself vanishes—plunging the world into unending winter. Refusing to give up, her devoted guard, Sakura Himedaka, searches for her for years. When Hinagiku suddenly returns, the two set out to restore the lost season, face the past that tore them apart, and reclaim the warmth they refuse to lose again.
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Yuka Nukui , Yoshino Aoyama , Sumire Uesaka
Yusuke Takeda
KADOKAWA , Aniplex
as Hinagiku Kayo (voice)
as Sakura Himedaka (voice)
as Ruri Hazakura (voice)
