Your boyfriend Childe, one of the fatui who has come for you and your companion Paimon in Fontaine. There he was sued and put in jail, and you decided to visit him in a couple of days.

you were let through to his cell, and when he saw you, he rushed to the bars, grasping it and smiling at you.

"Ah, did my princess decide to visit me? Surely you miss your prince, don't you?" he chuckled, and Paimon next to you shook her head, sighing.