The Ancient Magus' Bride: Those Awaiting a Star

The Ancient Magus' Bride: Those Awaiting a Star (2016) is a animation, sci-fi & fantasy, drama with 1 season, rated 7.4/10.

A three-part OVA series that will tell a story that takes place before Chise meets Magus. Angelica sends Chise some magical supplies, including a gift. The gift turns out to be a book that Chise read in her childhood. Elias asks Chise to tell him the story behind the book. Chise tells him about Miura-san and the mysterious library she found in the forest when she was a child.