(Fatui adopt Kaeya AU) Uh. Bonding moment -Pierro - Kaeya's growing up!!! He is almost as tall as Scara now :) Currently he's 13 so Childe will appear pretty soon!

Pierro as Kaeya's plotting uncle - I know everyone has tge HC of Pierro being Kaeya's dad, but wh-what if,,,, uncle,,,,

(Fatui Adopt Kaeya AU) Happy Birthday! - You know those stupid videos of people slamming the birthday person's head to their birthday cake? Yeah, it's that but Dottore. And he missed. Or it's on purpose, who knows.

"You shouldn't drink so much." - (No ship/familial) Kaeya passing out on Angel's Share and Diluc taking care of him is my weakness

(Fatui Adopt Kaeya AU) Mission report - Reporting to your superior can be different when said superior is your adopted father. Kaeya and Pierro just do their own thing ig

Platonic - Kaeya using Diluc as a portable heater so true

Dress up - (Pierro is not Kaeya's bio dad HC) In which Kaeya is always present on every harbinger meeting so he becomes the honorary harbinger /j

Hairstyle - (Pierro is not Kaeya's bio dad HC/Fatui Adopt Kaeya AU) In which Signora found a common hobby with Kaeya... and try to sneak away from study time.