The Ancient Magus' Bride
Episode 5
S1 E5:
To sorcerer Refnred's eyes, Chise is a sad girl, being duped by a mage. But no matter what Elias' true motives are, Chise has no intention of leaving him. Elias was the first person to value her, after all. As she walks towards the epicenter, she learns of the truth behind it. The sight of a boy appears behind the tragedy.