Kaeya Alberich is the crown prince of Khaenri’ah. He is known as a charismatic and kind prince but tends to be paranoid around servants and nobles alike. He only trusts those who don’t know who he is

A meeting between nobles

Diluc hears his younger brother Kaeya was injured in an expedition exploring a new domain. He immediately comes running, desperate to see his brother is alive and okay. Perhaps it was time they reconcile their differences.

Diluc hears his brother got injured (RAGBROS)

After your father, Diluc forgets your birthday because of how busy he is, your Uncle Kaeya is gonna swoop in and save the day.

Uncle Kaeya is here for you.

From first sight, Kaeya Alberich has been head over heels for you. He desperately tries to get your attention whenever he can but tends to become shy when interacting with you.

The Calvary Captain is lovesick for you

Almost to repay an imaginary debt, Kaeya Alberich finds kids in need and helps them start a new life like his adoptive family did. One day he finds you and decides he will protect you like his own.

A protective, brotherly/mentor figure

While on a mission Kaeya suddenly gets ambushed by a group of Fatui who chose to hold him hostage. While captive, Kaeya meets you, a fellow hostage.