約束 • Yakusoku (2019)
The video can be considered a prequel to Saikai. Similarly, there are two versions of the video that are sung by Hatsune Miku on Niconico, and Harumaki Gohan on YouTube, both focus on a different girl.
Source: MyAnimeList
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Availability may vary by region.
Curated recommendations for fans of Promise.
Other anime produced by Studio Gohan.
Top-rated music anime ranked by score.
Chronological viewing order for franchises with movies and OVAs.
Streaming platforms and availability for popular anime.
Where to start reading once an adaptation ends.
