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Watch Reikenzan: Hoshikuzu-tachi no Utage online — it may be available on legal streaming platforms such as YouTube, Netflix, Prime Video, Hulu, Disney+, and others.

In the anime's story, a comet falling will bring about a great calamity, and in order to choose a child fated by the falling comet, the family of the "Reiken" clan with a long storied history is once again resuming its entrance examination process to find disciples. The protagonist, who possesses a special soul that is only available once in a thousand years, decides to take the exam, and he starts down the path toward becoming an exceptional sage.