Look Before You Leap.
Stella, a young girl Chise encountered while Christmas shopping, finds that her brother, Ethan, has gone missing and her parents have forgotten he exists.
Aired 04/02/2018EP 17 - Look Before You Leap.

2017
The Ancient Magus' Bride
Chise Hatori has lived a life full of neglect and abuse, devoid of anything resembling love. Far from the warmth of family, she has had her share of troubles and pitfalls. Just when all hope seems lost, a fateful encounter awaits her. When a man with the head of a beast, wielding strange powers, obtains her through a slave auction, Chise's life will never be the same again.
(Source: Seven Seas Entertainment)