Youji, Kei, Kelly, and the little bear-shaped robot Oscar are small heroes who must save the town. Today is Youji's birthday, but this doesn't seem to excite him. Whether or not they know this, Kei, Kelly, and the woman who raised him as her own, Anna, seem to be planning something. And that's when...
Source: MyAnimeList
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Curated recommendations for fans of Fastening Days 3.
Other anime produced by Studio Colorido.
Top-rated kids 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.
