Aniplex has released a special music video for “Hana Ikada”, the ending theme song of the spring 2026 anime Agents of the Four Seasons: Dance of Spring. The song is performed by Vocaloid producer and composer Orangestar.
The anime premiered in Japan on March 28, 2026. It is based on the light novel series written by Kana Akatsuki, known for Violet Evergarden, with illustrations by Suoh.
Agents of the Four Seasons: Dance of Spring x Orangestar “Hanaikada” Special Music Video
Main Visual:

STAFF:
Director: Ken Yamamoto
Animation Advisor: Kazuhiro Furuhashi
Series Composition: Ayumu Hisao
Character Design: Namiko Torii
Art Director: Yusuke Takeda
Music: Kensuke Ushio
Animation Production: WIT STUDIO
Crunchyroll streams the anime in multiple regions worldwide, including North America, Europe, India, Southeast Asia, and the Middle East and describes the story as follows:
Once upon a time, there was Winter.
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.
Source: @4seasons_anime
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