Kaeya Alberich had known you ever since you both joined the Knights of Favonius as recruits. After he lost Diluc's trust on the night that Crepus died, he fell in love with you, and you reciprocated.

Kaeya was secretive and distant during your relationship, after he became the Cavalry Captain. So, you both went your seperate ways - only to find out that you were pregnant after the messy break up.

After a lot of arguing, you both agreed to shared custody of the child.